420320

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 1034208

約数和(自身を除く): 613888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 71, 74, 80, 142, 148, 160, 185, 284, 296, 355, 370, 568, 592, 710, 740, 1136, 1184, 1420, 1480, 2272, 2627, 2840, 2960, 5254, 5680, 5920, 10508, 11360, 13135, 21016, 26270, 42032, 52540, 84064, 105080, 210160, 420320]

約数ペア:

[(1, 420320), (2, 210160), (4, 105080), (5, 84064), (8, 52540), (10, 42032), (16, 26270), (20, 21016), (32, 13135), (37, 11360), (40, 10508), (71, 5920), (74, 5680), (80, 5254), (142, 2960), (148, 2840), (160, 2627), (185, 2272), (284, 1480), (296, 1420), (355, 1184), (370, 1136), (568, 740), (592, 710)]