144477890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{991}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 265697280

約数和(自身を除く): 121219390

約数列:

[1, 2, 5, 10, 61, 122, 239, 305, 478, 610, 991, 1195, 1982, 2390, 4955, 9910, 14579, 29158, 60451, 72895, 120902, 145790, 236849, 302255, 473698, 604510, 1184245, 2368490, 14447789, 28895578, 72238945, 144477890]

約数ペア:

[(1, 144477890), (2, 72238945), (5, 28895578), (10, 14447789), (61, 2368490), (122, 1184245), (239, 604510), (305, 473698), (478, 302255), (610, 236849), (991, 145790), (1195, 120902), (1982, 72895), (2390, 60451), (4955, 29158), (9910, 14579)]