908201420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{209263}}^1$

素因数の和:209310

約数の個数: 48

約数和(自身を含む): 2250006528

約数和(自身を除く): 1341805108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 209263, 418526, 837052, 1046315, 1464841, 2092630, 2929682, 4185260, 5859364, 6487153, 7324205, 12974306, 14648410, 25948612, 29296820, 32435765, 45410071, 64871530, 90820142, 129743060, 181640284, 227050355, 454100710, 908201420]

約数ペア:

[(1, 908201420), (2, 454100710), (4, 227050355), (5, 181640284), (7, 129743060), (10, 90820142), (14, 64871530), (20, 45410071), (28, 32435765), (31, 29296820), (35, 25948612), (62, 14648410), (70, 12974306), (124, 7324205), (140, 6487153), (155, 5859364), (217, 4185260), (310, 2929682), (434, 2092630), (620, 1464841), (868, 1046315), (1085, 837052), (2170, 418526), (4340, 209263)]