38003420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 105910560

約数和(自身を除く): 67907140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 157, 182, 190, 196, 245, 247, 260, 266, 314, 364, 380, 455, 490, 494, 532, 628, 637, 665, 785, 910, 931, 980, 988, 1099, 1235, 1274, 1330, 1570, 1729, 1820, 1862, 2041, 2198, 2470, 2548, 2660, 2983, 3140, 3185, 3458, 3724, 4082, 4396, 4655, 4940, 5495, 5966, 6370, 6916, 7693, 8164, 8645, 9310, 10205, 10990, 11932, 12103, 12740, 14287, 14915, 15386, 17290, 18620, 20410, 20881, 21980, 24206, 28574, 29830, 30772, 34580, 38465, 38779, 40820, 41762, 48412, 57148, 59660, 60515, 71435, 76930, 77558, 83524, 100009, 104405, 121030, 142870, 146167, 153860, 155116, 193895, 200018, 208810, 242060, 271453, 285740, 292334, 387790, 400036, 417620, 500045, 542906, 584668, 730835, 775580, 1000090, 1085812, 1357265, 1461670, 1900171, 2000180, 2714530, 2923340, 3800342, 5429060, 7600684, 9500855, 19001710, 38003420]

約数ペア:

[(1, 38003420), (2, 19001710), (4, 9500855), (5, 7600684), (7, 5429060), (10, 3800342), (13, 2923340), (14, 2714530), (19, 2000180), (20, 1900171), (26, 1461670), (28, 1357265), (35, 1085812), (38, 1000090), (49, 775580), (52, 730835), (65, 584668), (70, 542906), (76, 500045), (91, 417620), (95, 400036), (98, 387790), (130, 292334), (133, 285740), (140, 271453), (157, 242060), (182, 208810), (190, 200018), (196, 193895), (245, 155116), (247, 153860), (260, 146167), (266, 142870), (314, 121030), (364, 104405), (380, 100009), (455, 83524), (490, 77558), (494, 76930), (532, 71435), (628, 60515), (637, 59660), (665, 57148), (785, 48412), (910, 41762), (931, 40820), (980, 38779), (988, 38465), (1099, 34580), (1235, 30772), (1274, 29830), (1330, 28574), (1570, 24206), (1729, 21980), (1820, 20881), (1862, 20410), (2041, 18620), (2198, 17290), (2470, 15386), (2548, 14915), (2660, 14287), (2983, 12740), (3140, 12103), (3185, 11932), (3458, 10990), (3724, 10205), (4082, 9310), (4396, 8645), (4655, 8164), (4940, 7693), (5495, 6916), (5966, 6370)]