270973820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2887}}^1$

素因数の和:2947

約数の個数: 72

約数和(自身を含む): 646992864

約数和(自身を除く): 376019044

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 361, 380, 494, 722, 988, 1235, 1444, 1805, 2470, 2887, 3610, 4693, 4940, 5774, 7220, 9386, 11548, 14435, 18772, 23465, 28870, 37531, 46930, 54853, 57740, 75062, 93860, 109706, 150124, 187655, 219412, 274265, 375310, 548530, 713089, 750620, 1042207, 1097060, 1426178, 2084414, 2852356, 3565445, 4168828, 5211035, 7130890, 10422070, 13548691, 14261780, 20844140, 27097382, 54194764, 67743455, 135486910, 270973820]

約数ペア:

[(1, 270973820), (2, 135486910), (4, 67743455), (5, 54194764), (10, 27097382), (13, 20844140), (19, 14261780), (20, 13548691), (26, 10422070), (38, 7130890), (52, 5211035), (65, 4168828), (76, 3565445), (95, 2852356), (130, 2084414), (190, 1426178), (247, 1097060), (260, 1042207), (361, 750620), (380, 713089), (494, 548530), (722, 375310), (988, 274265), (1235, 219412), (1444, 187655), (1805, 150124), (2470, 109706), (2887, 93860), (3610, 75062), (4693, 57740), (4940, 54853), (5774, 46930), (7220, 37531), (9386, 28870), (11548, 23465), (14435, 18772)]