201321820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{84589}}^1$

素因数の和:84622

約数の個数: 48

約数和(自身を含む): 511600320

約数和(自身を除く): 310278500

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 84589, 169178, 338356, 422945, 592123, 845890, 1184246, 1438013, 1691780, 2368492, 2876026, 2960615, 5752052, 5921230, 7190065, 10066091, 11842460, 14380130, 20132182, 28760260, 40264364, 50330455, 100660910, 201321820]

約数ペア:

[(1, 201321820), (2, 100660910), (4, 50330455), (5, 40264364), (7, 28760260), (10, 20132182), (14, 14380130), (17, 11842460), (20, 10066091), (28, 7190065), (34, 5921230), (35, 5752052), (68, 2960615), (70, 2876026), (85, 2368492), (119, 1691780), (140, 1438013), (170, 1184246), (238, 845890), (340, 592123), (476, 422945), (595, 338356), (1190, 169178), (2380, 84589)]