101640700

素因数分解:

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

素因数の和:20771

約数の個数: 54

約数和(自身を含む): 256582536

約数和(自身を除く): 154941836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 20743, 41486, 82972, 103715, 145201, 207430, 290402, 414860, 518575, 580804, 726005, 1016407, 1037150, 1452010, 2032814, 2074300, 2904020, 3630025, 4065628, 5082035, 7260050, 10164070, 14520100, 20328140, 25410175, 50820350, 101640700]

約数ペア:

[(1, 101640700), (2, 50820350), (4, 25410175), (5, 20328140), (7, 14520100), (10, 10164070), (14, 7260050), (20, 5082035), (25, 4065628), (28, 3630025), (35, 2904020), (49, 2074300), (50, 2032814), (70, 1452010), (98, 1037150), (100, 1016407), (140, 726005), (175, 580804), (196, 518575), (245, 414860), (350, 290402), (490, 207430), (700, 145201), (980, 103715), (1225, 82972), (2450, 41486), (4900, 20743)]