1211150980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{17317}}^1$

素因数の和:17608

約数の個数: 48

約数和(自身を含む): 2749405680

約数和(自身を除く): 1538254700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 538, 1076, 1345, 2690, 3497, 5380, 6994, 13988, 17317, 17485, 34634, 34970, 69268, 69940, 86585, 173170, 225121, 346340, 450242, 900484, 1125605, 2251210, 4502420, 4658273, 9316546, 18633092, 23291365, 46582730, 60557549, 93165460, 121115098, 242230196, 302787745, 605575490, 1211150980]

約数ペア:

[(1, 1211150980), (2, 605575490), (4, 302787745), (5, 242230196), (10, 121115098), (13, 93165460), (20, 60557549), (26, 46582730), (52, 23291365), (65, 18633092), (130, 9316546), (260, 4658273), (269, 4502420), (538, 2251210), (1076, 1125605), (1345, 900484), (2690, 450242), (3497, 346340), (5380, 225121), (6994, 173170), (13988, 86585), (17317, 69940), (17485, 69268), (34634, 34970)]