489031510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2351}}^1$

素因数の和:2461

約数の個数: 64

約数和(自身を含む): 1007935488

約数和(自身を除く): 518903978

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 61, 62, 110, 122, 155, 305, 310, 341, 610, 671, 682, 1342, 1705, 1891, 2351, 3355, 3410, 3782, 4702, 6710, 9455, 11755, 18910, 20801, 23510, 25861, 41602, 51722, 72881, 104005, 129305, 143411, 145762, 208010, 258610, 286822, 364405, 717055, 728810, 801691, 1434110, 1577521, 1603382, 3155042, 4008455, 4445741, 7887605, 8016910, 8891482, 15775210, 22228705, 44457410, 48903151, 97806302, 244515755, 489031510]

約数ペア:

[(1, 489031510), (2, 244515755), (5, 97806302), (10, 48903151), (11, 44457410), (22, 22228705), (31, 15775210), (55, 8891482), (61, 8016910), (62, 7887605), (110, 4445741), (122, 4008455), (155, 3155042), (305, 1603382), (310, 1577521), (341, 1434110), (610, 801691), (671, 728810), (682, 717055), (1342, 364405), (1705, 286822), (1891, 258610), (2351, 208010), (3355, 145762), (3410, 143411), (3782, 129305), (4702, 104005), (6710, 72881), (9455, 51722), (11755, 41602), (18910, 25861), (20801, 23510)]