156730780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{461}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 335301120

約数和(自身を除く): 178570340

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 191, 356, 382, 445, 461, 764, 890, 922, 955, 1780, 1844, 1910, 2305, 3820, 4610, 9220, 16999, 33998, 41029, 67996, 82058, 84995, 88051, 164116, 169990, 176102, 205145, 339980, 352204, 410290, 440255, 820580, 880510, 1761020, 7836539, 15673078, 31346156, 39182695, 78365390, 156730780]

約数ペア:

[(1, 156730780), (2, 78365390), (4, 39182695), (5, 31346156), (10, 15673078), (20, 7836539), (89, 1761020), (178, 880510), (191, 820580), (356, 440255), (382, 410290), (445, 352204), (461, 339980), (764, 205145), (890, 176102), (922, 169990), (955, 164116), (1780, 88051), (1844, 84995), (1910, 82058), (2305, 67996), (3820, 41029), (4610, 33998), (9220, 16999)]