68712740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 157715712

約数和(自身を除く): 89002972

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 307, 310, 361, 380, 589, 614, 620, 722, 1178, 1228, 1444, 1535, 1805, 2356, 2945, 3070, 3610, 5833, 5890, 6140, 7220, 9517, 11191, 11666, 11780, 19034, 22382, 23332, 29165, 38068, 44764, 47585, 55955, 58330, 95170, 110827, 111910, 116660, 180823, 190340, 221654, 223820, 361646, 443308, 554135, 723292, 904115, 1108270, 1808230, 2216540, 3435637, 3616460, 6871274, 13742548, 17178185, 34356370, 68712740]

約数ペア:

[(1, 68712740), (2, 34356370), (4, 17178185), (5, 13742548), (10, 6871274), (19, 3616460), (20, 3435637), (31, 2216540), (38, 1808230), (62, 1108270), (76, 904115), (95, 723292), (124, 554135), (155, 443308), (190, 361646), (307, 223820), (310, 221654), (361, 190340), (380, 180823), (589, 116660), (614, 111910), (620, 110827), (722, 95170), (1178, 58330), (1228, 55955), (1444, 47585), (1535, 44764), (1805, 38068), (2356, 29165), (2945, 23332), (3070, 22382), (3610, 19034), (5833, 11780), (5890, 11666), (6140, 11191), (7220, 9517)]