348520580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{1669}}^1$

素因数の和:1928

約数の個数: 48

約数和(自身を含む): 749936880

約数和(自身を除く): 401416300

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 197, 212, 265, 394, 530, 788, 985, 1060, 1669, 1970, 3338, 3940, 6676, 8345, 10441, 16690, 20882, 33380, 41764, 52205, 88457, 104410, 176914, 208820, 328793, 353828, 442285, 657586, 884570, 1315172, 1643965, 1769140, 3287930, 6575860, 17426029, 34852058, 69704116, 87130145, 174260290, 348520580]

約数ペア:

[(1, 348520580), (2, 174260290), (4, 87130145), (5, 69704116), (10, 34852058), (20, 17426029), (53, 6575860), (106, 3287930), (197, 1769140), (212, 1643965), (265, 1315172), (394, 884570), (530, 657586), (788, 442285), (985, 353828), (1060, 328793), (1669, 208820), (1970, 176914), (3338, 104410), (3940, 88457), (6676, 52205), (8345, 41764), (10441, 33380), (16690, 20882)]