42998490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1999}}^1$

素因数の和:2251

約数の個数: 48

約数和(自身を含む): 112320000

約数和(自身を除く): 69321510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239, 478, 717, 1195, 1434, 1999, 2151, 2390, 3585, 3998, 4302, 5997, 7170, 9995, 10755, 11994, 17991, 19990, 21510, 29985, 35982, 59970, 89955, 179910, 477761, 955522, 1433283, 2388805, 2866566, 4299849, 4777610, 7166415, 8599698, 14332830, 21499245, 42998490]

約数ペア:

[(1, 42998490), (2, 21499245), (3, 14332830), (5, 8599698), (6, 7166415), (9, 4777610), (10, 4299849), (15, 2866566), (18, 2388805), (30, 1433283), (45, 955522), (90, 477761), (239, 179910), (478, 89955), (717, 59970), (1195, 35982), (1434, 29985), (1999, 21510), (2151, 19990), (2390, 17991), (3585, 11994), (3998, 10755), (4302, 9995), (5997, 7170)]