1270508750

素因数分解:

$2^1\times 5^4\times 7^2\times {\mathrm{20743}}^1$

素因数の和:20779

約数の個数: 60

約数和(自身を含む): 2770381944

約数和(自身を除く): 1499873194

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 350, 490, 625, 875, 1225, 1250, 1750, 2450, 4375, 6125, 8750, 12250, 20743, 30625, 41486, 61250, 103715, 145201, 207430, 290402, 518575, 726005, 1016407, 1037150, 1452010, 2032814, 2592875, 3630025, 5082035, 5185750, 7260050, 10164070, 12964375, 18150125, 25410175, 25928750, 36300250, 50820350, 90750625, 127050875, 181501250, 254101750, 635254375, 1270508750]

約数ペア:

[(1, 1270508750), (2, 635254375), (5, 254101750), (7, 181501250), (10, 127050875), (14, 90750625), (25, 50820350), (35, 36300250), (49, 25928750), (50, 25410175), (70, 18150125), (98, 12964375), (125, 10164070), (175, 7260050), (245, 5185750), (250, 5082035), (350, 3630025), (490, 2592875), (625, 2032814), (875, 1452010), (1225, 1037150), (1250, 1016407), (1750, 726005), (2450, 518575), (4375, 290402), (6125, 207430), (8750, 145201), (12250, 103715), (20743, 61250), (30625, 41486)]