420406700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13967}}^1$

素因数の和:14031

約数の個数: 72

約数和(自身を含む): 1066931712

約数和(自身を除く): 646525012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 140, 172, 175, 215, 301, 350, 430, 602, 700, 860, 1075, 1204, 1505, 2150, 3010, 4300, 6020, 7525, 13967, 15050, 27934, 30100, 55868, 69835, 97769, 139670, 195538, 279340, 349175, 391076, 488845, 600581, 698350, 977690, 1201162, 1396700, 1955380, 2402324, 2444225, 3002905, 4204067, 4888450, 6005810, 8408134, 9776900, 12011620, 15014525, 16816268, 21020335, 30029050, 42040670, 60058100, 84081340, 105101675, 210203350, 420406700]

約数ペア:

[(1, 420406700), (2, 210203350), (4, 105101675), (5, 84081340), (7, 60058100), (10, 42040670), (14, 30029050), (20, 21020335), (25, 16816268), (28, 15014525), (35, 12011620), (43, 9776900), (50, 8408134), (70, 6005810), (86, 4888450), (100, 4204067), (140, 3002905), (172, 2444225), (175, 2402324), (215, 1955380), (301, 1396700), (350, 1201162), (430, 977690), (602, 698350), (700, 600581), (860, 488845), (1075, 391076), (1204, 349175), (1505, 279340), (2150, 195538), (3010, 139670), (4300, 97769), (6020, 69835), (7525, 55868), (13967, 30100), (15050, 27934)]