548031740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1\times {\mathrm{617}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 1168020000

約数和(自身を除く): 619988260

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 499, 617, 890, 998, 1234, 1780, 1996, 2468, 2495, 3085, 4990, 6170, 9980, 12340, 44411, 54913, 88822, 109826, 177644, 219652, 222055, 274565, 307883, 444110, 549130, 615766, 888220, 1098260, 1231532, 1539415, 3078830, 6157660, 27401587, 54803174, 109606348, 137007935, 274015870, 548031740]

約数ペア:

[(1, 548031740), (2, 274015870), (4, 137007935), (5, 109606348), (10, 54803174), (20, 27401587), (89, 6157660), (178, 3078830), (356, 1539415), (445, 1231532), (499, 1098260), (617, 888220), (890, 615766), (998, 549130), (1234, 444110), (1780, 307883), (1996, 274565), (2468, 222055), (2495, 219652), (3085, 177644), (4990, 109826), (6170, 88822), (9980, 54913), (12340, 44411)]