17961748900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{7417}}^1$

素因数の和:7889

約数の個数: 72

約数和(自身を含む): 39721105256

約数和(自身を除く): 21759356356

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 397, 610, 794, 1220, 1525, 1588, 1985, 3050, 3970, 6100, 7417, 7940, 9925, 14834, 19850, 24217, 29668, 37085, 39700, 48434, 74170, 96868, 121085, 148340, 185425, 242170, 370850, 452437, 484340, 605425, 741700, 904874, 1210850, 1809748, 2262185, 2421700, 2944549, 4524370, 5889098, 9048740, 11310925, 11778196, 14722745, 22621850, 29445490, 45243700, 58890980, 73613725, 147227450, 179617489, 294454900, 359234978, 718469956, 898087445, 1796174890, 3592349780, 4490437225, 8980874450, 17961748900]

約数ペア:

[(1, 17961748900), (2, 8980874450), (4, 4490437225), (5, 3592349780), (10, 1796174890), (20, 898087445), (25, 718469956), (50, 359234978), (61, 294454900), (100, 179617489), (122, 147227450), (244, 73613725), (305, 58890980), (397, 45243700), (610, 29445490), (794, 22621850), (1220, 14722745), (1525, 11778196), (1588, 11310925), (1985, 9048740), (3050, 5889098), (3970, 4524370), (6100, 2944549), (7417, 2421700), (7940, 2262185), (9925, 1809748), (14834, 1210850), (19850, 904874), (24217, 741700), (29668, 605425), (37085, 484340), (39700, 452437), (48434, 370850), (74170, 242170), (96868, 185425), (121085, 148340)]