30911950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1$

素因数の和:957

約数の個数: 48

約数和(自身を含む): 62433504

約数和(自身を除く): 31521554

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 82, 85, 170, 205, 410, 425, 697, 850, 887, 1025, 1394, 1774, 2050, 3485, 4435, 6970, 8870, 15079, 17425, 22175, 30158, 34850, 36367, 44350, 72734, 75395, 150790, 181835, 363670, 376975, 618239, 753950, 909175, 1236478, 1818350, 3091195, 6182390, 15455975, 30911950]

約数ペア:

[(1, 30911950), (2, 15455975), (5, 6182390), (10, 3091195), (17, 1818350), (25, 1236478), (34, 909175), (41, 753950), (50, 618239), (82, 376975), (85, 363670), (170, 181835), (205, 150790), (410, 75395), (425, 72734), (697, 44350), (850, 36367), (887, 34850), (1025, 30158), (1394, 22175), (1774, 17425), (2050, 15079), (3485, 8870), (4435, 6970)]