389997720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:759

約数の個数: 256

約数和(自身を含む): 1506816000

約数和(自身を除く): 1116818280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 79, 84, 90, 105, 108, 120, 126, 135, 140, 158, 168, 180, 189, 210, 216, 237, 252, 270, 280, 315, 316, 360, 378, 395, 420, 474, 504, 540, 553, 630, 632, 653, 711, 756, 790, 840, 945, 948, 1080, 1106, 1185, 1260, 1306, 1422, 1512, 1580, 1659, 1890, 1896, 1959, 2133, 2212, 2370, 2520, 2612, 2765, 2844, 3160, 3265, 3318, 3555, 3780, 3918, 4266, 4424, 4571, 4740, 4977, 5224, 5530, 5688, 5877, 6530, 6636, 7110, 7560, 7836, 8295, 8532, 9142, 9480, 9795, 9954, 10665, 11060, 11754, 13060, 13272, 13713, 14220, 14931, 15672, 16590, 17064, 17631, 18284, 19590, 19908, 21330, 22120, 22855, 23508, 24885, 26120, 27426, 28440, 29385, 29862, 33180, 35262, 36568, 39180, 39816, 41139, 42660, 45710, 47016, 49770, 51587, 54852, 58770, 59724, 66360, 68565, 70524, 74655, 78360, 82278, 85320, 88155, 91420, 99540, 103174, 109704, 117540, 119448, 123417, 137130, 141048, 149310, 154761, 164556, 176310, 182840, 199080, 205695, 206348, 235080, 246834, 257935, 274260, 298620, 309522, 329112, 352620, 361109, 411390, 412696, 464283, 493668, 515870, 548520, 597240, 617085, 619044, 705240, 722218, 773805, 822780, 928566, 987336, 1031740, 1083327, 1234170, 1238088, 1392849, 1444436, 1547610, 1645560, 1805545, 1857132, 2063480, 2166654, 2321415, 2468340, 2785698, 2888872, 3095220, 3249981, 3611090, 3714264, 4333308, 4642830, 4936680, 5416635, 5571396, 6190440, 6499962, 6964245, 7222180, 8666616, 9285660, 9749943, 10833270, 11142792, 12999924, 13928490, 14444360, 16249905, 18571320, 19499886, 21666540, 25999848, 27856980, 32499810, 38999772, 43333080, 48749715, 55713960, 64999620, 77999544, 97499430, 129999240, 194998860, 389997720]

約数ペア:

[(1, 389997720), (2, 194998860), (3, 129999240), (4, 97499430), (5, 77999544), (6, 64999620), (7, 55713960), (8, 48749715), (9, 43333080), (10, 38999772), (12, 32499810), (14, 27856980), (15, 25999848), (18, 21666540), (20, 19499886), (21, 18571320), (24, 16249905), (27, 14444360), (28, 13928490), (30, 12999924), (35, 11142792), (36, 10833270), (40, 9749943), (42, 9285660), (45, 8666616), (54, 7222180), (56, 6964245), (60, 6499962), (63, 6190440), (70, 5571396), (72, 5416635), (79, 4936680), (84, 4642830), (90, 4333308), (105, 3714264), (108, 3611090), (120, 3249981), (126, 3095220), (135, 2888872), (140, 2785698), (158, 2468340), (168, 2321415), (180, 2166654), (189, 2063480), (210, 1857132), (216, 1805545), (237, 1645560), (252, 1547610), (270, 1444436), (280, 1392849), (315, 1238088), (316, 1234170), (360, 1083327), (378, 1031740), (395, 987336), (420, 928566), (474, 822780), (504, 773805), (540, 722218), (553, 705240), (630, 619044), (632, 617085), (653, 597240), (711, 548520), (756, 515870), (790, 493668), (840, 464283), (945, 412696), (948, 411390), (1080, 361109), (1106, 352620), (1185, 329112), (1260, 309522), (1306, 298620), (1422, 274260), (1512, 257935), (1580, 246834), (1659, 235080), (1890, 206348), (1896, 205695), (1959, 199080), (2133, 182840), (2212, 176310), (2370, 164556), (2520, 154761), (2612, 149310), (2765, 141048), (2844, 137130), (3160, 123417), (3265, 119448), (3318, 117540), (3555, 109704), (3780, 103174), (3918, 99540), (4266, 91420), (4424, 88155), (4571, 85320), (4740, 82278), (4977, 78360), (5224, 74655), (5530, 70524), (5688, 68565), (5877, 66360), (6530, 59724), (6636, 58770), (7110, 54852), (7560, 51587), (7836, 49770), (8295, 47016), (8532, 45710), (9142, 42660), (9480, 41139), (9795, 39816), (9954, 39180), (10665, 36568), (11060, 35262), (11754, 33180), (13060, 29862), (13272, 29385), (13713, 28440), (14220, 27426), (14931, 26120), (15672, 24885), (16590, 23508), (17064, 22855), (17631, 22120), (18284, 21330), (19590, 19908)]