247489890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{358681}}^1$

素因数の和:358714

約数の個数: 32

約数和(自身を含む): 619802496

約数和(自身を除く): 372312606

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 358681, 717362, 1076043, 1793405, 2152086, 3586810, 5380215, 8249663, 10760430, 16499326, 24748989, 41248315, 49497978, 82496630, 123744945, 247489890]

約数ペア:

[(1, 247489890), (2, 123744945), (3, 82496630), (5, 49497978), (6, 41248315), (10, 24748989), (15, 16499326), (23, 10760430), (30, 8249663), (46, 5380215), (69, 3586810), (115, 2152086), (138, 1793405), (230, 1076043), (345, 717362), (690, 358681)]