142296980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{20743}}^1$

素因数の和:20773

約数の個数: 48

約数和(自身を含む): 348499200

約数和(自身を除く): 206202220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 20743, 41486, 82972, 103715, 145201, 207430, 290402, 414860, 580804, 726005, 1016407, 1452010, 2032814, 2904020, 4065628, 5082035, 7114849, 10164070, 14229698, 20328140, 28459396, 35574245, 71148490, 142296980]

約数ペア:

[(1, 142296980), (2, 71148490), (4, 35574245), (5, 28459396), (7, 20328140), (10, 14229698), (14, 10164070), (20, 7114849), (28, 5082035), (35, 4065628), (49, 2904020), (70, 2032814), (98, 1452010), (140, 1016407), (196, 726005), (245, 580804), (343, 414860), (490, 290402), (686, 207430), (980, 145201), (1372, 103715), (1715, 82972), (3430, 41486), (6860, 20743)]