2531980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 6150816

約数和(自身を除く): 3618836

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 677, 748, 935, 1354, 1870, 2708, 3385, 3740, 6770, 7447, 11509, 13540, 14894, 23018, 29788, 37235, 46036, 57545, 74470, 115090, 126599, 148940, 230180, 253198, 506396, 632995, 1265990, 2531980]

約数ペア:

[(1, 2531980), (2, 1265990), (4, 632995), (5, 506396), (10, 253198), (11, 230180), (17, 148940), (20, 126599), (22, 115090), (34, 74470), (44, 57545), (55, 46036), (68, 37235), (85, 29788), (110, 23018), (170, 14894), (187, 13540), (220, 11509), (340, 7447), (374, 6770), (677, 3740), (748, 3385), (935, 2708), (1354, 1870)]