1390907008

素因数分解:

$2^7\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1054

約数の個数: 96

約数和(自身を含む): 3021909120

約数和(自身を除く): 1631002112

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 304, 361, 496, 589, 608, 722, 971, 992, 1178, 1216, 1444, 1942, 1984, 2356, 2432, 2888, 3884, 3968, 4712, 5776, 7768, 9424, 11191, 11552, 15536, 18449, 18848, 22382, 23104, 30101, 31072, 36898, 37696, 44764, 46208, 60202, 62144, 73796, 75392, 89528, 120404, 124288, 147592, 179056, 240808, 295184, 350531, 358112, 481616, 571919, 590368, 701062, 716224, 963232, 1143838, 1180736, 1402124, 1432448, 1926464, 2287676, 2361472, 2804248, 3852928, 4575352, 5608496, 9150704, 10866461, 11216992, 18301408, 21732922, 22433984, 36602816, 43465844, 44867968, 73205632, 86931688, 173863376, 347726752, 695453504, 1390907008]

約数ペア:

[(1, 1390907008), (2, 695453504), (4, 347726752), (8, 173863376), (16, 86931688), (19, 73205632), (31, 44867968), (32, 43465844), (38, 36602816), (62, 22433984), (64, 21732922), (76, 18301408), (124, 11216992), (128, 10866461), (152, 9150704), (248, 5608496), (304, 4575352), (361, 3852928), (496, 2804248), (589, 2361472), (608, 2287676), (722, 1926464), (971, 1432448), (992, 1402124), (1178, 1180736), (1216, 1143838), (1444, 963232), (1942, 716224), (1984, 701062), (2356, 590368), (2432, 571919), (2888, 481616), (3884, 358112), (3968, 350531), (4712, 295184), (5776, 240808), (7768, 179056), (9424, 147592), (11191, 124288), (11552, 120404), (15536, 89528), (18449, 75392), (18848, 73796), (22382, 62144), (23104, 60202), (30101, 46208), (31072, 44764), (36898, 37696)]