72975980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47387}}^1$

素因数の和:47414

約数の個数: 48

約数和(自身を含む): 191068416

約数和(自身を除く): 118092436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 47387, 94774, 189548, 236935, 331709, 473870, 521257, 663418, 947740, 1042514, 1326836, 1658545, 2085028, 2606285, 3317090, 3648799, 5212570, 6634180, 7297598, 10425140, 14595196, 18243995, 36487990, 72975980]

約数ペア:

[(1, 72975980), (2, 36487990), (4, 18243995), (5, 14595196), (7, 10425140), (10, 7297598), (11, 6634180), (14, 5212570), (20, 3648799), (22, 3317090), (28, 2606285), (35, 2085028), (44, 1658545), (55, 1326836), (70, 1042514), (77, 947740), (110, 663418), (140, 521257), (154, 473870), (220, 331709), (308, 236935), (385, 189548), (770, 94774), (1540, 47387)]