155870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:140

約数の個数: 32

約数和(自身を含む): 332640

約数和(自身を除く): 176770

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 109, 110, 130, 143, 218, 286, 545, 715, 1090, 1199, 1417, 1430, 2398, 2834, 5995, 7085, 11990, 14170, 15587, 31174, 77935, 155870]

約数ペア:

[(1, 155870), (2, 77935), (5, 31174), (10, 15587), (11, 14170), (13, 11990), (22, 7085), (26, 5995), (55, 2834), (65, 2398), (109, 1430), (110, 1417), (130, 1199), (143, 1090), (218, 715), (286, 545)]