254281160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{3209}}^1$

素因数の和:3510

約数の個数: 64

約数和(自身を含む): 656380800

約数和(自身を除く): 402099640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 283, 566, 1132, 1415, 1981, 2264, 2830, 3209, 3962, 5660, 6418, 7924, 9905, 11320, 12836, 15848, 16045, 19810, 22463, 25672, 32090, 39620, 44926, 64180, 79240, 89852, 112315, 128360, 179704, 224630, 449260, 898520, 908147, 1816294, 3632588, 4540735, 6357029, 7265176, 9081470, 12714058, 18162940, 25428116, 31785145, 36325880, 50856232, 63570290, 127140580, 254281160]

約数ペア:

[(1, 254281160), (2, 127140580), (4, 63570290), (5, 50856232), (7, 36325880), (8, 31785145), (10, 25428116), (14, 18162940), (20, 12714058), (28, 9081470), (35, 7265176), (40, 6357029), (56, 4540735), (70, 3632588), (140, 1816294), (280, 908147), (283, 898520), (566, 449260), (1132, 224630), (1415, 179704), (1981, 128360), (2264, 112315), (2830, 89852), (3209, 79240), (3962, 64180), (5660, 44926), (6418, 39620), (7924, 32090), (9905, 25672), (11320, 22463), (12836, 19810), (15848, 16045)]