172866920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{1117}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 402077520

約数和(自身を除く): 229210600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 73, 106, 146, 212, 265, 292, 365, 424, 530, 584, 730, 1060, 1117, 1460, 2120, 2234, 2920, 3869, 4468, 5585, 7738, 8936, 11170, 15476, 19345, 22340, 30952, 38690, 44680, 59201, 77380, 81541, 118402, 154760, 163082, 236804, 296005, 326164, 407705, 473608, 592010, 652328, 815410, 1184020, 1630820, 2368040, 3261640, 4321673, 8643346, 17286692, 21608365, 34573384, 43216730, 86433460, 172866920]

約数ペア:

[(1, 172866920), (2, 86433460), (4, 43216730), (5, 34573384), (8, 21608365), (10, 17286692), (20, 8643346), (40, 4321673), (53, 3261640), (73, 2368040), (106, 1630820), (146, 1184020), (212, 815410), (265, 652328), (292, 592010), (365, 473608), (424, 407705), (530, 326164), (584, 296005), (730, 236804), (1060, 163082), (1117, 154760), (1460, 118402), (2120, 81541), (2234, 77380), (2920, 59201), (3869, 44680), (4468, 38690), (5585, 30952), (7738, 22340), (8936, 19345), (11170, 15476)]