385622140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 879459840

約数和(自身を除く): 493837700

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 139, 148, 163, 185, 230, 278, 326, 370, 460, 556, 652, 695, 740, 815, 851, 1390, 1630, 1702, 2780, 3197, 3260, 3404, 3749, 4255, 5143, 6031, 6394, 7498, 8510, 10286, 12062, 12788, 14996, 15985, 17020, 18745, 20572, 22657, 24124, 25715, 30155, 31970, 37490, 45314, 51430, 60310, 63940, 74980, 90628, 102860, 113285, 118289, 120620, 138713, 226570, 236578, 277426, 453140, 473156, 521111, 554852, 591445, 693565, 838309, 1042222, 1182890, 1387130, 1676618, 2084444, 2365780, 2605555, 2774260, 3353236, 4191545, 5211110, 8383090, 10422220, 16766180, 19281107, 38562214, 77124428, 96405535, 192811070, 385622140]

約数ペア:

[(1, 385622140), (2, 192811070), (4, 96405535), (5, 77124428), (10, 38562214), (20, 19281107), (23, 16766180), (37, 10422220), (46, 8383090), (74, 5211110), (92, 4191545), (115, 3353236), (139, 2774260), (148, 2605555), (163, 2365780), (185, 2084444), (230, 1676618), (278, 1387130), (326, 1182890), (370, 1042222), (460, 838309), (556, 693565), (652, 591445), (695, 554852), (740, 521111), (815, 473156), (851, 453140), (1390, 277426), (1630, 236578), (1702, 226570), (2780, 138713), (3197, 120620), (3260, 118289), (3404, 113285), (3749, 102860), (4255, 90628), (5143, 74980), (6031, 63940), (6394, 60310), (7498, 51430), (8510, 45314), (10286, 37490), (12062, 31970), (12788, 30155), (14996, 25715), (15985, 24124), (17020, 22657), (18745, 20572)]