385270990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{277}}^1\times {\mathrm{823}}^1$

素因数の和:1133

約数の個数: 48

約数和(自身を含む): 754563168

約数和(自身を除く): 369292178

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 277, 338, 554, 823, 845, 1385, 1646, 1690, 2770, 3601, 4115, 7202, 8230, 10699, 18005, 21398, 36010, 46813, 53495, 93626, 106990, 139087, 227971, 234065, 278174, 455942, 468130, 695435, 1139855, 1390870, 2279710, 2963623, 5927246, 14818115, 29636230, 38527099, 77054198, 192635495, 385270990]

約数ペア:

[(1, 385270990), (2, 192635495), (5, 77054198), (10, 38527099), (13, 29636230), (26, 14818115), (65, 5927246), (130, 2963623), (169, 2279710), (277, 1390870), (338, 1139855), (554, 695435), (823, 468130), (845, 455942), (1385, 278174), (1646, 234065), (1690, 227971), (2770, 139087), (3601, 106990), (4115, 93626), (7202, 53495), (8230, 46813), (10699, 36010), (18005, 21398)]