538793480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{503}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 1237420800

約数和(自身を除く): 698627320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 439, 488, 503, 610, 878, 1006, 1220, 1756, 2012, 2195, 2440, 2515, 3512, 4024, 4390, 5030, 8780, 10060, 17560, 20120, 26779, 30683, 53558, 61366, 107116, 122732, 133895, 153415, 214232, 220817, 245464, 267790, 306830, 441634, 535580, 613660, 883268, 1071160, 1104085, 1227320, 1766536, 2208170, 4416340, 8832680, 13469837, 26939674, 53879348, 67349185, 107758696, 134698370, 269396740, 538793480]

約数ペア:

[(1, 538793480), (2, 269396740), (4, 134698370), (5, 107758696), (8, 67349185), (10, 53879348), (20, 26939674), (40, 13469837), (61, 8832680), (122, 4416340), (244, 2208170), (305, 1766536), (439, 1227320), (488, 1104085), (503, 1071160), (610, 883268), (878, 613660), (1006, 535580), (1220, 441634), (1756, 306830), (2012, 267790), (2195, 245464), (2440, 220817), (2515, 214232), (3512, 153415), (4024, 133895), (4390, 122732), (5030, 107116), (8780, 61366), (10060, 53558), (17560, 30683), (20120, 26779)]