89190340

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 190935360

約数和(自身を除く): 101745020

約数列:

[1, 2, 4, 5, 10, 20, 109, 163, 218, 251, 326, 436, 502, 545, 652, 815, 1004, 1090, 1255, 1630, 2180, 2510, 3260, 5020, 17767, 27359, 35534, 40913, 54718, 71068, 81826, 88835, 109436, 136795, 163652, 177670, 204565, 273590, 355340, 409130, 547180, 818260, 4459517, 8919034, 17838068, 22297585, 44595170, 89190340]

約数ペア:

[(1, 89190340), (2, 44595170), (4, 22297585), (5, 17838068), (10, 8919034), (20, 4459517), (109, 818260), (163, 547180), (218, 409130), (251, 355340), (326, 273590), (436, 204565), (502, 177670), (545, 163652), (652, 136795), (815, 109436), (1004, 88835), (1090, 81826), (1255, 71068), (1630, 54718), (2180, 40913), (2510, 35534), (3260, 27359), (5020, 17767)]