30377980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1901}}^1$

素因数の和:1974

約数の個数: 48

約数和(自身を含む): 69019776

約数和(自身を除く): 38641796

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 1901, 3196, 3802, 3995, 7604, 7990, 9505, 15980, 19010, 32317, 38020, 64634, 89347, 129268, 161585, 178694, 323170, 357388, 446735, 646340, 893470, 1518899, 1786940, 3037798, 6075596, 7594495, 15188990, 30377980]

約数ペア:

[(1, 30377980), (2, 15188990), (4, 7594495), (5, 6075596), (10, 3037798), (17, 1786940), (20, 1518899), (34, 893470), (47, 646340), (68, 446735), (85, 357388), (94, 323170), (170, 178694), (188, 161585), (235, 129268), (340, 89347), (470, 64634), (799, 38020), (940, 32317), (1598, 19010), (1901, 15980), (3196, 9505), (3802, 7990), (3995, 7604)]