90298180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13163}}^1$

素因数の和:13193

約数の個数: 48

約数和(自身を含む): 221155200

約数和(自身を除く): 130857020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 13163, 26326, 52652, 65815, 92141, 131630, 184282, 263260, 368564, 460705, 644987, 921410, 1289974, 1842820, 2579948, 3224935, 4514909, 6449870, 9029818, 12899740, 18059636, 22574545, 45149090, 90298180]

約数ペア:

[(1, 90298180), (2, 45149090), (4, 22574545), (5, 18059636), (7, 12899740), (10, 9029818), (14, 6449870), (20, 4514909), (28, 3224935), (35, 2579948), (49, 1842820), (70, 1289974), (98, 921410), (140, 644987), (196, 460705), (245, 368564), (343, 263260), (490, 184282), (686, 131630), (980, 92141), (1372, 65815), (1715, 52652), (3430, 26326), (6860, 13163)]