173687140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{7243}}^1$

素因数の和:7372

約数の個数: 48

約数和(自身を含む): 401607360

約数和(自身を除く): 227920220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 7243, 11990, 14486, 23980, 28972, 36215, 72430, 79673, 144860, 159346, 318692, 398365, 789487, 796730, 1578974, 1593460, 3157948, 3947435, 7894870, 8684357, 15789740, 17368714, 34737428, 43421785, 86843570, 173687140]

約数ペア:

[(1, 173687140), (2, 86843570), (4, 43421785), (5, 34737428), (10, 17368714), (11, 15789740), (20, 8684357), (22, 7894870), (44, 3947435), (55, 3157948), (109, 1593460), (110, 1578974), (218, 796730), (220, 789487), (436, 398365), (545, 318692), (1090, 159346), (1199, 144860), (2180, 79673), (2398, 72430), (4796, 36215), (5995, 28972), (7243, 23980), (11990, 14486)]