3996990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:601

約数の個数: 48

約数和(自身を含む): 10530000

約数和(自身を除く): 6533010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 499, 534, 801, 890, 998, 1335, 1497, 1602, 2495, 2670, 2994, 4005, 4491, 4990, 7485, 8010, 8982, 14970, 22455, 44411, 44910, 88822, 133233, 222055, 266466, 399699, 444110, 666165, 799398, 1332330, 1998495, 3996990]

約数ペア:

[(1, 3996990), (2, 1998495), (3, 1332330), (5, 799398), (6, 666165), (9, 444110), (10, 399699), (15, 266466), (18, 222055), (30, 133233), (45, 88822), (89, 44910), (90, 44411), (178, 22455), (267, 14970), (445, 8982), (499, 8010), (534, 7485), (801, 4990), (890, 4491), (998, 4005), (1335, 2994), (1497, 2670), (1602, 2495)]