90876620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{631}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 201734400

約数和(自身を除く): 110857780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 379, 380, 631, 758, 1262, 1516, 1895, 2524, 3155, 3790, 6310, 7201, 7580, 11989, 12620, 14402, 23978, 28804, 36005, 47956, 59945, 72010, 119890, 144020, 239149, 239780, 478298, 956596, 1195745, 2391490, 4543831, 4782980, 9087662, 18175324, 22719155, 45438310, 90876620]

約数ペア:

[(1, 90876620), (2, 45438310), (4, 22719155), (5, 18175324), (10, 9087662), (19, 4782980), (20, 4543831), (38, 2391490), (76, 1195745), (95, 956596), (190, 478298), (379, 239780), (380, 239149), (631, 144020), (758, 119890), (1262, 72010), (1516, 59945), (1895, 47956), (2524, 36005), (3155, 28804), (3790, 23978), (6310, 14402), (7201, 12620), (7580, 11989)]