318560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 825552

約数和(自身を除く): 506992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 181, 220, 352, 362, 440, 724, 880, 905, 1448, 1760, 1810, 1991, 2896, 3620, 3982, 5792, 7240, 7964, 9955, 14480, 15928, 19910, 28960, 31856, 39820, 63712, 79640, 159280, 318560]

約数ペア:

[(1, 318560), (2, 159280), (4, 79640), (5, 63712), (8, 39820), (10, 31856), (11, 28960), (16, 19910), (20, 15928), (22, 14480), (32, 9955), (40, 7964), (44, 7240), (55, 5792), (80, 3982), (88, 3620), (110, 2896), (160, 1991), (176, 1810), (181, 1760), (220, 1448), (352, 905), (362, 880), (440, 724)]