408027320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{152249}}^1$

素因数の和:152327

約数の個数: 32

約数和(自身を含む): 931770000

約数和(自身を除く): 523742680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 152249, 304498, 608996, 761245, 1217992, 1522490, 3044980, 6089960, 10200683, 20401366, 40802732, 51003415, 81605464, 102006830, 204013660, 408027320]

約数ペア:

[(1, 408027320), (2, 204013660), (4, 102006830), (5, 81605464), (8, 51003415), (10, 40802732), (20, 20401366), (40, 10200683), (67, 6089960), (134, 3044980), (268, 1522490), (335, 1217992), (536, 761245), (670, 608996), (1340, 304498), (2680, 152249)]