220162840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 504856800

約数和(自身を除く): 284693960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 179, 194, 317, 358, 388, 485, 634, 716, 776, 895, 970, 1268, 1432, 1585, 1790, 1940, 2536, 3170, 3580, 3880, 6340, 7160, 12680, 17363, 30749, 34726, 56743, 61498, 69452, 86815, 113486, 122996, 138904, 153745, 173630, 226972, 245992, 283715, 307490, 347260, 453944, 567430, 614980, 694520, 1134860, 1229960, 2269720, 5504071, 11008142, 22016284, 27520355, 44032568, 55040710, 110081420, 220162840]

約数ペア:

[(1, 220162840), (2, 110081420), (4, 55040710), (5, 44032568), (8, 27520355), (10, 22016284), (20, 11008142), (40, 5504071), (97, 2269720), (179, 1229960), (194, 1134860), (317, 694520), (358, 614980), (388, 567430), (485, 453944), (634, 347260), (716, 307490), (776, 283715), (895, 245992), (970, 226972), (1268, 173630), (1432, 153745), (1585, 138904), (1790, 122996), (1940, 113486), (2536, 86815), (3170, 69452), (3580, 61498), (3880, 56743), (6340, 34726), (7160, 30749), (12680, 17363)]