127353160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{289439}}^1$

素因数の和:289461

約数の個数: 32

約数和(自身を含む): 312595200

約数和(自身を除く): 185242040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 289439, 578878, 1157756, 1447195, 2315512, 2894390, 3183829, 5788780, 6367658, 11577560, 12735316, 15919145, 25470632, 31838290, 63676580, 127353160]

約数ペア:

[(1, 127353160), (2, 63676580), (4, 31838290), (5, 25470632), (8, 15919145), (10, 12735316), (11, 11577560), (20, 6367658), (22, 5788780), (40, 3183829), (44, 2894390), (55, 2315512), (88, 1447195), (110, 1157756), (220, 578878), (440, 289439)]