17851240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1450

約数の個数: 64

約数和(自身を含む): 45360000

約数和(自身を除く): 27508760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1399, 1595, 2552, 2798, 3190, 5596, 6380, 6995, 11192, 12760, 13990, 15389, 27980, 30778, 40571, 55960, 61556, 76945, 81142, 123112, 153890, 162284, 202855, 307780, 324568, 405710, 446281, 615560, 811420, 892562, 1622840, 1785124, 2231405, 3570248, 4462810, 8925620, 17851240]

約数ペア:

[(1, 17851240), (2, 8925620), (4, 4462810), (5, 3570248), (8, 2231405), (10, 1785124), (11, 1622840), (20, 892562), (22, 811420), (29, 615560), (40, 446281), (44, 405710), (55, 324568), (58, 307780), (88, 202855), (110, 162284), (116, 153890), (145, 123112), (220, 81142), (232, 76945), (290, 61556), (319, 55960), (440, 40571), (580, 30778), (638, 27980), (1160, 15389), (1276, 13990), (1399, 12760), (1595, 11192), (2552, 6995), (2798, 6380), (3190, 5596)]