3453820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 7812000

約数和(自身を除く): 4358180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 149, 190, 244, 298, 305, 380, 596, 610, 745, 1159, 1220, 1490, 2318, 2831, 2980, 4636, 5662, 5795, 9089, 11324, 11590, 14155, 18178, 23180, 28310, 36356, 45445, 56620, 90890, 172691, 181780, 345382, 690764, 863455, 1726910, 3453820]

約数ペア:

[(1, 3453820), (2, 1726910), (4, 863455), (5, 690764), (10, 345382), (19, 181780), (20, 172691), (38, 90890), (61, 56620), (76, 45445), (95, 36356), (122, 28310), (149, 23180), (190, 18178), (244, 14155), (298, 11590), (305, 11324), (380, 9089), (596, 5795), (610, 5662), (745, 4636), (1159, 2980), (1220, 2831), (1490, 2318)]