1604850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 4291392

約数和(自身を除く): 2686542

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 823, 975, 1646, 1950, 2469, 4115, 4938, 8230, 10699, 12345, 20575, 21398, 24690, 32097, 41150, 53495, 61725, 64194, 106990, 123450, 160485, 267475, 320970, 534950, 802425, 1604850]

約数ペア:

[(1, 1604850), (2, 802425), (3, 534950), (5, 320970), (6, 267475), (10, 160485), (13, 123450), (15, 106990), (25, 64194), (26, 61725), (30, 53495), (39, 41150), (50, 32097), (65, 24690), (75, 21398), (78, 20575), (130, 12345), (150, 10699), (195, 8230), (325, 4938), (390, 4115), (650, 2469), (823, 1950), (975, 1646)]