3981280

素因数分解:

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

素因数の和:331

約数の個数: 48

約数和(自身を含む): 9525600

約数和(自身を除く): 5544320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 167, 298, 334, 596, 668, 745, 835, 1192, 1336, 1490, 1670, 2384, 2672, 2980, 3340, 4768, 5344, 5960, 6680, 11920, 13360, 23840, 24883, 26720, 49766, 99532, 124415, 199064, 248830, 398128, 497660, 796256, 995320, 1990640, 3981280]

約数ペア:

[(1, 3981280), (2, 1990640), (4, 995320), (5, 796256), (8, 497660), (10, 398128), (16, 248830), (20, 199064), (32, 124415), (40, 99532), (80, 49766), (149, 26720), (160, 24883), (167, 23840), (298, 13360), (334, 11920), (596, 6680), (668, 5960), (745, 5344), (835, 4768), (1192, 3340), (1336, 2980), (1490, 2672), (1670, 2384)]