8460220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 19051200

約数和(自身を除く): 10590980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 167, 170, 298, 334, 340, 596, 668, 745, 835, 1490, 1670, 2533, 2839, 2980, 3340, 5066, 5678, 10132, 11356, 12665, 14195, 24883, 25330, 28390, 49766, 50660, 56780, 99532, 124415, 248830, 423011, 497660, 846022, 1692044, 2115055, 4230110, 8460220]

約数ペア:

[(1, 8460220), (2, 4230110), (4, 2115055), (5, 1692044), (10, 846022), (17, 497660), (20, 423011), (34, 248830), (68, 124415), (85, 99532), (149, 56780), (167, 50660), (170, 49766), (298, 28390), (334, 25330), (340, 24883), (596, 14195), (668, 12665), (745, 11356), (835, 10132), (1490, 5678), (1670, 5066), (2533, 3340), (2839, 2980)]