389699730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{618571}}^1$

素因数の和:618591

約数の個数: 48

約数和(自身を含む): 1157966784

約数和(自身を除く): 768267054

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, 618571, 1237142, 1855713, 3092855, 3711426, 4329997, 5567139, 6185710, 8659994, 9278565, 11134278, 12989991, 18557130, 21649985, 25979982, 27835695, 38969973, 43299970, 55671390, 64949955, 77939946, 129899910, 194849865, 389699730]

約数ペア:

[(1, 389699730), (2, 194849865), (3, 129899910), (5, 77939946), (6, 64949955), (7, 55671390), (9, 43299970), (10, 38969973), (14, 27835695), (15, 25979982), (18, 21649985), (21, 18557130), (30, 12989991), (35, 11134278), (42, 9278565), (45, 8659994), (63, 6185710), (70, 5567139), (90, 4329997), (105, 3711426), (126, 3092855), (210, 1855713), (315, 1237142), (630, 618571)]