817641740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{10067}}^1$

素因数の和:10238

約数の個数: 48

約数和(自身を含む): 1786143744

約数和(自身を除く): 968502004

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 1310, 2620, 4061, 8122, 10067, 16244, 20134, 20305, 40268, 40610, 50335, 81220, 100670, 201340, 312077, 624154, 1248308, 1318777, 1560385, 2637554, 3120770, 5275108, 6241540, 6593885, 13187770, 26375540, 40882087, 81764174, 163528348, 204410435, 408820870, 817641740]

約数ペア:

[(1, 817641740), (2, 408820870), (4, 204410435), (5, 163528348), (10, 81764174), (20, 40882087), (31, 26375540), (62, 13187770), (124, 6593885), (131, 6241540), (155, 5275108), (262, 3120770), (310, 2637554), (524, 1560385), (620, 1318777), (655, 1248308), (1310, 624154), (2620, 312077), (4061, 201340), (8122, 100670), (10067, 81220), (16244, 50335), (20134, 40610), (20305, 40268)]