678663430

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 1281614400

約数和(自身を除く): 602950970

約数列:

[1, 2, 5, 10, 59, 61, 109, 118, 122, 173, 218, 295, 305, 346, 545, 590, 610, 865, 1090, 1730, 3599, 6431, 6649, 7198, 10207, 10553, 12862, 13298, 17995, 18857, 20414, 21106, 32155, 33245, 35990, 37714, 51035, 52765, 64310, 66490, 94285, 102070, 105530, 188570, 392291, 622627, 784582, 1112563, 1150277, 1245254, 1961455, 2225126, 2300554, 3113135, 3922910, 5562815, 5751385, 6226270, 11125630, 11502770, 67866343, 135732686, 339331715, 678663430]

約数ペア:

[(1, 678663430), (2, 339331715), (5, 135732686), (10, 67866343), (59, 11502770), (61, 11125630), (109, 6226270), (118, 5751385), (122, 5562815), (173, 3922910), (218, 3113135), (295, 2300554), (305, 2225126), (346, 1961455), (545, 1245254), (590, 1150277), (610, 1112563), (865, 784582), (1090, 622627), (1730, 392291), (3599, 188570), (6431, 105530), (6649, 102070), (7198, 94285), (10207, 66490), (10553, 64310), (12862, 52765), (13298, 51035), (17995, 37714), (18857, 35990), (20414, 33245), (21106, 32155)]