88231640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2267}}^1$

素因数の和:2424

約数の個数: 64

約数和(自身を含む): 228614400

約数和(自身を除く): 140382760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2267, 2780, 3892, 4534, 4865, 5560, 7784, 9068, 9730, 11335, 15869, 18136, 19460, 22670, 31738, 38920, 45340, 63476, 79345, 90680, 126952, 158690, 315113, 317380, 630226, 634760, 1260452, 1575565, 2205791, 2520904, 3151130, 4411582, 6302260, 8823164, 11028955, 12604520, 17646328, 22057910, 44115820, 88231640]

約数ペア:

[(1, 88231640), (2, 44115820), (4, 22057910), (5, 17646328), (7, 12604520), (8, 11028955), (10, 8823164), (14, 6302260), (20, 4411582), (28, 3151130), (35, 2520904), (40, 2205791), (56, 1575565), (70, 1260452), (139, 634760), (140, 630226), (278, 317380), (280, 315113), (556, 158690), (695, 126952), (973, 90680), (1112, 79345), (1390, 63476), (1946, 45340), (2267, 38920), (2780, 31738), (3892, 22670), (4534, 19460), (4865, 18136), (5560, 15869), (7784, 11335), (9068, 9730)]