127433740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^2$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 315417312

約数和(自身を除く): 187983572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 149, 164, 205, 287, 298, 410, 574, 596, 745, 820, 1043, 1148, 1435, 1490, 2086, 2870, 2980, 4172, 5215, 5740, 6109, 10430, 12218, 20860, 22201, 24436, 30545, 42763, 44402, 61090, 85526, 88804, 111005, 122180, 155407, 171052, 213815, 222010, 310814, 427630, 444020, 621628, 777035, 855260, 910241, 1554070, 1820482, 3108140, 3640964, 4551205, 6371687, 9102410, 12743374, 18204820, 25486748, 31858435, 63716870, 127433740]

約数ペア:

[(1, 127433740), (2, 63716870), (4, 31858435), (5, 25486748), (7, 18204820), (10, 12743374), (14, 9102410), (20, 6371687), (28, 4551205), (35, 3640964), (41, 3108140), (70, 1820482), (82, 1554070), (140, 910241), (149, 855260), (164, 777035), (205, 621628), (287, 444020), (298, 427630), (410, 310814), (574, 222010), (596, 213815), (745, 171052), (820, 155407), (1043, 122180), (1148, 111005), (1435, 88804), (1490, 85526), (2086, 61090), (2870, 44402), (2980, 42763), (4172, 30545), (5215, 24436), (5740, 22201), (6109, 20860), (10430, 12218)]