207209660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2309}}^1$

素因数の和:2966

約数の個数: 48

約数和(自身を含む): 498294720

約数和(自身を除く): 291085060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 641, 1282, 2309, 2564, 3205, 4487, 4618, 6410, 8974, 9236, 11545, 12820, 16163, 17948, 22435, 23090, 32326, 44870, 46180, 64652, 80815, 89740, 161630, 323260, 1480069, 2960138, 5920276, 7400345, 10360483, 14800690, 20720966, 29601380, 41441932, 51802415, 103604830, 207209660]

約数ペア:

[(1, 207209660), (2, 103604830), (4, 51802415), (5, 41441932), (7, 29601380), (10, 20720966), (14, 14800690), (20, 10360483), (28, 7400345), (35, 5920276), (70, 2960138), (140, 1480069), (641, 323260), (1282, 161630), (2309, 89740), (2564, 80815), (3205, 64652), (4487, 46180), (4618, 44870), (6410, 32326), (8974, 23090), (9236, 22435), (11545, 17948), (12820, 16163)]