194626780

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 414691200

約数和(自身を除く): 220064420

約数列:

[1, 2, 4, 5, 10, 20, 149, 241, 271, 298, 482, 542, 596, 745, 964, 1084, 1205, 1355, 1490, 2410, 2710, 2980, 4820, 5420, 35909, 40379, 65311, 71818, 80758, 130622, 143636, 161516, 179545, 201895, 261244, 326555, 359090, 403790, 653110, 718180, 807580, 1306220, 9731339, 19462678, 38925356, 48656695, 97313390, 194626780]

約数ペア:

[(1, 194626780), (2, 97313390), (4, 48656695), (5, 38925356), (10, 19462678), (20, 9731339), (149, 1306220), (241, 807580), (271, 718180), (298, 653110), (482, 403790), (542, 359090), (596, 326555), (745, 261244), (964, 201895), (1084, 179545), (1205, 161516), (1355, 143636), (1490, 130622), (2410, 80758), (2710, 71818), (2980, 65311), (4820, 40379), (5420, 35909)]