304816990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{3391}}^1$

素因数の和:3588

約数の個数: 32

約数和(自身を含む): 560494080

約数和(自身を除く): 255677090

約数列:

[1, 2, 5, 10, 89, 101, 178, 202, 445, 505, 890, 1010, 3391, 6782, 8989, 16955, 17978, 33910, 44945, 89890, 301799, 342491, 603598, 684982, 1508995, 1712455, 3017990, 3424910, 30481699, 60963398, 152408495, 304816990]

約数ペア:

[(1, 304816990), (2, 152408495), (5, 60963398), (10, 30481699), (89, 3424910), (101, 3017990), (178, 1712455), (202, 1508995), (445, 684982), (505, 603598), (890, 342491), (1010, 301799), (3391, 89890), (6782, 44945), (8989, 33910), (16955, 17978)]