38991420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{877}}^1$

素因数の和:924

約数の個数: 144

約数和(自身を含む): 134228640

約数和(自身を除く): 95237220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 877, 988, 1140, 1170, 1235, 1482, 1710, 1754, 2223, 2340, 2470, 2631, 2964, 3420, 3508, 3705, 4385, 4446, 4940, 5262, 7410, 7893, 8770, 8892, 10524, 11115, 11401, 13155, 14820, 15786, 16663, 17540, 22230, 22802, 26310, 31572, 33326, 34203, 39465, 44460, 45604, 49989, 52620, 57005, 66652, 68406, 78930, 83315, 99978, 102609, 114010, 136812, 149967, 157860, 166630, 171015, 199956, 205218, 216619, 228020, 249945, 299934, 333260, 342030, 410436, 433238, 499890, 513045, 599868, 649857, 684060, 749835, 866476, 999780, 1026090, 1083095, 1299714, 1499670, 1949571, 2052180, 2166190, 2599428, 2999340, 3249285, 3899142, 4332380, 6498570, 7798284, 9747855, 12997140, 19495710, 38991420]

約数ペア:

[(1, 38991420), (2, 19495710), (3, 12997140), (4, 9747855), (5, 7798284), (6, 6498570), (9, 4332380), (10, 3899142), (12, 3249285), (13, 2999340), (15, 2599428), (18, 2166190), (19, 2052180), (20, 1949571), (26, 1499670), (30, 1299714), (36, 1083095), (38, 1026090), (39, 999780), (45, 866476), (52, 749835), (57, 684060), (60, 649857), (65, 599868), (76, 513045), (78, 499890), (90, 433238), (95, 410436), (114, 342030), (117, 333260), (130, 299934), (156, 249945), (171, 228020), (180, 216619), (190, 205218), (195, 199956), (228, 171015), (234, 166630), (247, 157860), (260, 149967), (285, 136812), (342, 114010), (380, 102609), (390, 99978), (468, 83315), (494, 78930), (570, 68406), (585, 66652), (684, 57005), (741, 52620), (780, 49989), (855, 45604), (877, 44460), (988, 39465), (1140, 34203), (1170, 33326), (1235, 31572), (1482, 26310), (1710, 22802), (1754, 22230), (2223, 17540), (2340, 16663), (2470, 15786), (2631, 14820), (2964, 13155), (3420, 11401), (3508, 11115), (3705, 10524), (4385, 8892), (4446, 8770), (4940, 7893), (5262, 7410)]