219408280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 192

約数和(自身を含む): 632016000

約数和(自身を除く): 412607720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 79, 91, 98, 104, 109, 130, 140, 158, 182, 196, 218, 245, 260, 280, 316, 364, 392, 395, 436, 455, 490, 520, 545, 553, 632, 637, 728, 763, 790, 872, 910, 980, 1027, 1090, 1106, 1274, 1417, 1526, 1580, 1820, 1960, 2054, 2180, 2212, 2548, 2765, 2834, 3052, 3160, 3185, 3640, 3815, 3871, 4108, 4360, 4424, 5096, 5135, 5341, 5530, 5668, 6104, 6370, 7085, 7189, 7630, 7742, 8216, 8611, 9919, 10270, 10682, 11060, 11336, 12740, 14170, 14378, 15260, 15484, 17222, 19355, 19838, 20540, 21364, 22120, 25480, 26705, 28340, 28756, 30520, 30968, 34444, 35945, 38710, 39676, 41080, 42728, 43055, 49595, 50323, 53410, 56680, 57512, 60277, 68888, 69433, 71890, 77420, 79352, 86110, 99190, 100646, 106820, 111943, 120554, 138866, 143780, 154840, 172220, 198380, 201292, 213640, 223886, 241108, 251615, 277732, 287560, 301385, 344440, 347165, 396760, 402584, 421939, 447772, 482216, 503230, 555464, 559715, 602770, 694330, 783601, 843878, 895544, 1006460, 1119430, 1205540, 1388660, 1567202, 1687756, 2012920, 2109695, 2238860, 2411080, 2777320, 3134404, 3375512, 3918005, 4219390, 4477720, 5485207, 6268808, 7836010, 8438780, 10970414, 15672020, 16877560, 21940828, 27426035, 31344040, 43881656, 54852070, 109704140, 219408280]

約数ペア:

[(1, 219408280), (2, 109704140), (4, 54852070), (5, 43881656), (7, 31344040), (8, 27426035), (10, 21940828), (13, 16877560), (14, 15672020), (20, 10970414), (26, 8438780), (28, 7836010), (35, 6268808), (40, 5485207), (49, 4477720), (52, 4219390), (56, 3918005), (65, 3375512), (70, 3134404), (79, 2777320), (91, 2411080), (98, 2238860), (104, 2109695), (109, 2012920), (130, 1687756), (140, 1567202), (158, 1388660), (182, 1205540), (196, 1119430), (218, 1006460), (245, 895544), (260, 843878), (280, 783601), (316, 694330), (364, 602770), (392, 559715), (395, 555464), (436, 503230), (455, 482216), (490, 447772), (520, 421939), (545, 402584), (553, 396760), (632, 347165), (637, 344440), (728, 301385), (763, 287560), (790, 277732), (872, 251615), (910, 241108), (980, 223886), (1027, 213640), (1090, 201292), (1106, 198380), (1274, 172220), (1417, 154840), (1526, 143780), (1580, 138866), (1820, 120554), (1960, 111943), (2054, 106820), (2180, 100646), (2212, 99190), (2548, 86110), (2765, 79352), (2834, 77420), (3052, 71890), (3160, 69433), (3185, 68888), (3640, 60277), (3815, 57512), (3871, 56680), (4108, 53410), (4360, 50323), (4424, 49595), (5096, 43055), (5135, 42728), (5341, 41080), (5530, 39676), (5668, 38710), (6104, 35945), (6370, 34444), (7085, 30968), (7189, 30520), (7630, 28756), (7742, 28340), (8216, 26705), (8611, 25480), (9919, 22120), (10270, 21364), (10682, 20540), (11060, 19838), (11336, 19355), (12740, 17222), (14170, 15484), (14378, 15260)]