4990010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 9622800

約数和(自身を除く): 4632790

約数列:

[1, 2, 5, 10, 17, 34, 85, 149, 170, 197, 298, 394, 745, 985, 1490, 1970, 2533, 3349, 5066, 6698, 12665, 16745, 25330, 29353, 33490, 58706, 146765, 293530, 499001, 998002, 2495005, 4990010]

約数ペア:

[(1, 4990010), (2, 2495005), (5, 998002), (10, 499001), (17, 293530), (34, 146765), (85, 58706), (149, 33490), (170, 29353), (197, 25330), (298, 16745), (394, 12665), (745, 6698), (985, 5066), (1490, 3349), (1970, 2533)]