203390980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1867}}^1$

素因数の和:2308

約数の個数: 48

約数和(自身を含む): 461321280

約数和(自身を除く): 257930300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 419, 838, 1676, 1867, 2095, 3734, 4190, 5447, 7468, 8380, 9335, 10894, 18670, 21788, 24271, 27235, 37340, 48542, 54470, 97084, 108940, 121355, 242710, 485420, 782273, 1564546, 3129092, 3911365, 7822730, 10169549, 15645460, 20339098, 40678196, 50847745, 101695490, 203390980]

約数ペア:

[(1, 203390980), (2, 101695490), (4, 50847745), (5, 40678196), (10, 20339098), (13, 15645460), (20, 10169549), (26, 7822730), (52, 3911365), (65, 3129092), (130, 1564546), (260, 782273), (419, 485420), (838, 242710), (1676, 121355), (1867, 108940), (2095, 97084), (3734, 54470), (4190, 48542), (5447, 37340), (7468, 27235), (8380, 24271), (9335, 21788), (10894, 18670)]