27991250

素因数分解:

$2^1\times 5^4\times 7^2\times {\mathrm{457}}^1$

素因数の和:493

約数の個数: 60

約数和(自身を含む): 61166358

約数和(自身を除く): 33175108

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 350, 457, 490, 625, 875, 914, 1225, 1250, 1750, 2285, 2450, 3199, 4375, 4570, 6125, 6398, 8750, 11425, 12250, 15995, 22393, 22850, 30625, 31990, 44786, 57125, 61250, 79975, 111965, 114250, 159950, 223930, 285625, 399875, 559825, 571250, 799750, 1119650, 1999375, 2799125, 3998750, 5598250, 13995625, 27991250]

約数ペア:

[(1, 27991250), (2, 13995625), (5, 5598250), (7, 3998750), (10, 2799125), (14, 1999375), (25, 1119650), (35, 799750), (49, 571250), (50, 559825), (70, 399875), (98, 285625), (125, 223930), (175, 159950), (245, 114250), (250, 111965), (350, 79975), (457, 61250), (490, 57125), (625, 44786), (875, 31990), (914, 30625), (1225, 22850), (1250, 22393), (1750, 15995), (2285, 12250), (2450, 11425), (3199, 8750), (4375, 6398), (4570, 6125)]