808699480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1\times {\mathrm{857}}^1$

素因数の和:1660

約数の個数: 64

約数和(自身を含む): 1882932480

約数和(自身を除く): 1074233000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 761, 857, 1240, 1522, 1714, 3044, 3428, 3805, 4285, 6088, 6856, 7610, 8570, 15220, 17140, 23591, 26567, 30440, 34280, 47182, 53134, 94364, 106268, 117955, 132835, 188728, 212536, 235910, 265670, 471820, 531340, 652177, 943640, 1062680, 1304354, 2608708, 3260885, 5217416, 6521770, 13043540, 20217487, 26087080, 40434974, 80869948, 101087435, 161739896, 202174870, 404349740, 808699480]

約数ペア:

[(1, 808699480), (2, 404349740), (4, 202174870), (5, 161739896), (8, 101087435), (10, 80869948), (20, 40434974), (31, 26087080), (40, 20217487), (62, 13043540), (124, 6521770), (155, 5217416), (248, 3260885), (310, 2608708), (620, 1304354), (761, 1062680), (857, 943640), (1240, 652177), (1522, 531340), (1714, 471820), (3044, 265670), (3428, 235910), (3805, 212536), (4285, 188728), (6088, 132835), (6856, 117955), (7610, 106268), (8570, 94364), (15220, 53134), (17140, 47182), (23591, 34280), (26567, 30440)]