281363060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{18013}}^1$

素因数の和:18104

約数の個数: 48

約数和(自身を含む): 653692032

約数和(自身を除く): 372328972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 15620, 18013, 36026, 72052, 90065, 180130, 198143, 360260, 396286, 792572, 990715, 1278923, 1981430, 2557846, 3962860, 5115692, 6394615, 12789230, 14068153, 25578460, 28136306, 56272612, 70340765, 140681530, 281363060]

約数ペア:

[(1, 281363060), (2, 140681530), (4, 70340765), (5, 56272612), (10, 28136306), (11, 25578460), (20, 14068153), (22, 12789230), (44, 6394615), (55, 5115692), (71, 3962860), (110, 2557846), (142, 1981430), (220, 1278923), (284, 990715), (355, 792572), (710, 396286), (781, 360260), (1420, 198143), (1562, 180130), (3124, 90065), (3905, 72052), (7810, 36026), (15620, 18013)]