30993800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4999}}^1$

素因数の和:5046

約数の個数: 48

約数和(自身を含む): 74400000

約数和(自身を除く): 43406200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 4999, 6200, 9998, 19996, 24995, 39992, 49990, 99980, 124975, 154969, 199960, 249950, 309938, 499900, 619876, 774845, 999800, 1239752, 1549690, 3099380, 3874225, 6198760, 7748450, 15496900, 30993800]

約数ペア:

[(1, 30993800), (2, 15496900), (4, 7748450), (5, 6198760), (8, 3874225), (10, 3099380), (20, 1549690), (25, 1239752), (31, 999800), (40, 774845), (50, 619876), (62, 499900), (100, 309938), (124, 249950), (155, 199960), (200, 154969), (248, 124975), (310, 99980), (620, 49990), (775, 39992), (1240, 24995), (1550, 19996), (3100, 9998), (4999, 6200)]