1662940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 3804192

約数和(自身を除く): 2141252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 73, 85, 134, 146, 170, 268, 292, 335, 340, 365, 670, 730, 1139, 1241, 1340, 1460, 2278, 2482, 4556, 4891, 4964, 5695, 6205, 9782, 11390, 12410, 19564, 22780, 24455, 24820, 48910, 83147, 97820, 166294, 332588, 415735, 831470, 1662940]

約数ペア:

[(1, 1662940), (2, 831470), (4, 415735), (5, 332588), (10, 166294), (17, 97820), (20, 83147), (34, 48910), (67, 24820), (68, 24455), (73, 22780), (85, 19564), (134, 12410), (146, 11390), (170, 9782), (268, 6205), (292, 5695), (335, 4964), (340, 4891), (365, 4556), (670, 2482), (730, 2278), (1139, 1460), (1241, 1340)]