171996860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{599}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 422301600

約数和(自身を除く): 250304740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 293, 490, 586, 599, 980, 1172, 1198, 1465, 2051, 2396, 2930, 2995, 4102, 4193, 5860, 5990, 8204, 8386, 10255, 11980, 14357, 16772, 20510, 20965, 28714, 29351, 41020, 41930, 57428, 58702, 71785, 83860, 117404, 143570, 146755, 175507, 287140, 293510, 351014, 587020, 702028, 877535, 1228549, 1755070, 2457098, 3510140, 4914196, 6142745, 8599843, 12285490, 17199686, 24570980, 34399372, 42999215, 85998430, 171996860]

約数ペア:

[(1, 171996860), (2, 85998430), (4, 42999215), (5, 34399372), (7, 24570980), (10, 17199686), (14, 12285490), (20, 8599843), (28, 6142745), (35, 4914196), (49, 3510140), (70, 2457098), (98, 1755070), (140, 1228549), (196, 877535), (245, 702028), (293, 587020), (490, 351014), (586, 293510), (599, 287140), (980, 175507), (1172, 146755), (1198, 143570), (1465, 117404), (2051, 83860), (2396, 71785), (2930, 58702), (2995, 57428), (4102, 41930), (4193, 41020), (5860, 29351), (5990, 28714), (8204, 20965), (8386, 20510), (10255, 16772), (11980, 14357)]