30119980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4721}}^1$

素因数の和:4770

約数の個数: 48

約数和(自身を含む): 71396640

約数和(自身を除く): 41276660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 4721, 6380, 9442, 18884, 23605, 47210, 51931, 94420, 103862, 136909, 207724, 259655, 273818, 519310, 547636, 684545, 1038620, 1369090, 1505999, 2738180, 3011998, 6023996, 7529995, 15059990, 30119980]

約数ペア:

[(1, 30119980), (2, 15059990), (4, 7529995), (5, 6023996), (10, 3011998), (11, 2738180), (20, 1505999), (22, 1369090), (29, 1038620), (44, 684545), (55, 547636), (58, 519310), (110, 273818), (116, 259655), (145, 207724), (220, 136909), (290, 103862), (319, 94420), (580, 51931), (638, 47210), (1276, 23605), (1595, 18884), (3190, 9442), (4721, 6380)]