220105850

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:735

約数の個数: 48

約数和(自身を含む): 419377920

約数和(自身を除く): 199272070

約数列:

[1, 2, 5, 10, 25, 50, 79, 103, 158, 206, 395, 515, 541, 790, 1030, 1082, 1975, 2575, 2705, 3950, 5150, 5410, 8137, 13525, 16274, 27050, 40685, 42739, 55723, 81370, 85478, 111446, 203425, 213695, 278615, 406850, 427390, 557230, 1068475, 1393075, 2136950, 2786150, 4402117, 8804234, 22010585, 44021170, 110052925, 220105850]

約数ペア:

[(1, 220105850), (2, 110052925), (5, 44021170), (10, 22010585), (25, 8804234), (50, 4402117), (79, 2786150), (103, 2136950), (158, 1393075), (206, 1068475), (395, 557230), (515, 427390), (541, 406850), (790, 278615), (1030, 213695), (1082, 203425), (1975, 111446), (2575, 85478), (2705, 81370), (3950, 55723), (5150, 42739), (5410, 40685), (8137, 27050), (13525, 16274)]