989730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{1571}}^1$

素因数の和:1591

約数の個数: 48

約数和(自身を含む): 2942784

約数和(自身を除く): 1953054

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 1571, 3142, 4713, 7855, 9426, 10997, 14139, 15710, 21994, 23565, 28278, 32991, 47130, 54985, 65982, 70695, 98973, 109970, 141390, 164955, 197946, 329910, 494865, 989730]

約数ペア:

[(1, 989730), (2, 494865), (3, 329910), (5, 197946), (6, 164955), (7, 141390), (9, 109970), (10, 98973), (14, 70695), (15, 65982), (18, 54985), (21, 47130), (30, 32991), (35, 28278), (42, 23565), (45, 21994), (63, 15710), (70, 14139), (90, 10997), (105, 9426), (126, 7855), (210, 4713), (315, 3142), (630, 1571)]