128548850

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 245877120

約数和(自身を除く): 117328270

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 179, 265, 271, 358, 530, 542, 895, 1325, 1355, 1790, 2650, 2710, 4475, 6775, 8950, 9487, 13550, 14363, 18974, 28726, 47435, 48509, 71815, 94870, 97018, 143630, 237175, 242545, 359075, 474350, 485090, 718150, 1212725, 2425450, 2570977, 5141954, 12854885, 25709770, 64274425, 128548850]

約数ペア:

[(1, 128548850), (2, 64274425), (5, 25709770), (10, 12854885), (25, 5141954), (50, 2570977), (53, 2425450), (106, 1212725), (179, 718150), (265, 485090), (271, 474350), (358, 359075), (530, 242545), (542, 237175), (895, 143630), (1325, 97018), (1355, 94870), (1790, 71815), (2650, 48509), (2710, 47435), (4475, 28726), (6775, 18974), (8950, 14363), (9487, 13550)]