990220.0000000

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{35171}}^1$

素因数の和:35188

約数の個数: 32

約数和(自身を含む): 20259072

約数和(自身を除く): 12873162

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 35171, 70342, 105513, 175855, 211026, 246197, 351710, 492394, 527565, 738591, 1055130, 1230985, 1477182, 2461970, 3692955, 7385910]

約数ペア:

[(1, 7385910), (2, 3692955), (3, 2461970), (5, 1477182), (6, 1230985), (7, 1055130), (10, 738591), (14, 527565), (15, 492394), (21, 351710), (30, 246197), (35, 211026), (42, 175855), (70, 105513), (105, 70342), (210, 35171)]