25337450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 50220000

約数和(自身を除く): 24882550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 149, 179, 190, 298, 358, 475, 745, 895, 950, 1490, 1790, 2831, 3401, 3725, 4475, 5662, 6802, 7450, 8950, 14155, 17005, 26671, 28310, 34010, 53342, 70775, 85025, 133355, 141550, 170050, 266710, 506749, 666775, 1013498, 1333550, 2533745, 5067490, 12668725, 25337450]

約数ペア:

[(1, 25337450), (2, 12668725), (5, 5067490), (10, 2533745), (19, 1333550), (25, 1013498), (38, 666775), (50, 506749), (95, 266710), (149, 170050), (179, 141550), (190, 133355), (298, 85025), (358, 70775), (475, 53342), (745, 34010), (895, 28310), (950, 26671), (1490, 17005), (1790, 14155), (2831, 8950), (3401, 7450), (3725, 6802), (4475, 5662)]