30166940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 65412480

約数和(自身を除く): 35245540

約数列:

[1, 2, 4, 5, 10, 20, 61, 79, 122, 158, 244, 305, 313, 316, 395, 610, 626, 790, 1220, 1252, 1565, 1580, 3130, 4819, 6260, 9638, 19093, 19276, 24095, 24727, 38186, 48190, 49454, 76372, 95465, 96380, 98908, 123635, 190930, 247270, 381860, 494540, 1508347, 3016694, 6033388, 7541735, 15083470, 30166940]

約数ペア:

[(1, 30166940), (2, 15083470), (4, 7541735), (5, 6033388), (10, 3016694), (20, 1508347), (61, 494540), (79, 381860), (122, 247270), (158, 190930), (244, 123635), (305, 98908), (313, 96380), (316, 95465), (395, 76372), (610, 49454), (626, 48190), (790, 38186), (1220, 24727), (1252, 24095), (1565, 19276), (1580, 19093), (3130, 9638), (4819, 6260)]