30788890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9029}}^1$

素因数の和:9078

約数の個数: 32

約数和(自身を含む): 62415360

約数和(自身を除く): 31626470

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 9029, 18058, 45145, 90290, 99319, 198638, 279899, 496595, 559798, 993190, 1399495, 2798990, 3078889, 6157778, 15394445, 30788890]

約数ペア:

[(1, 30788890), (2, 15394445), (5, 6157778), (10, 3078889), (11, 2798990), (22, 1399495), (31, 993190), (55, 559798), (62, 496595), (110, 279899), (155, 198638), (310, 99319), (341, 90290), (682, 45145), (1705, 18058), (3410, 9029)]