407750420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1777}}^1$

素因数の和:1953

約数の個数: 96

約数和(自身を含む): 1075334400

約数和(自身を除く): 667583980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 149, 154, 220, 298, 308, 385, 596, 745, 770, 1043, 1490, 1540, 1639, 1777, 2086, 2980, 3278, 3554, 4172, 5215, 6556, 7108, 8195, 8885, 10430, 11473, 12439, 16390, 17770, 19547, 20860, 22946, 24878, 32780, 35540, 39094, 45892, 49756, 57365, 62195, 78188, 97735, 114730, 124390, 136829, 195470, 229460, 248780, 264773, 273658, 390940, 529546, 547316, 684145, 1059092, 1323865, 1368290, 1853411, 2647730, 2736580, 2912503, 3706822, 5295460, 5825006, 7413644, 9267055, 11650012, 14562515, 18534110, 20387521, 29125030, 37068220, 40775042, 58250060, 81550084, 101937605, 203875210, 407750420]

約数ペア:

[(1, 407750420), (2, 203875210), (4, 101937605), (5, 81550084), (7, 58250060), (10, 40775042), (11, 37068220), (14, 29125030), (20, 20387521), (22, 18534110), (28, 14562515), (35, 11650012), (44, 9267055), (55, 7413644), (70, 5825006), (77, 5295460), (110, 3706822), (140, 2912503), (149, 2736580), (154, 2647730), (220, 1853411), (298, 1368290), (308, 1323865), (385, 1059092), (596, 684145), (745, 547316), (770, 529546), (1043, 390940), (1490, 273658), (1540, 264773), (1639, 248780), (1777, 229460), (2086, 195470), (2980, 136829), (3278, 124390), (3554, 114730), (4172, 97735), (5215, 78188), (6556, 62195), (7108, 57365), (8195, 49756), (8885, 45892), (10430, 39094), (11473, 35540), (12439, 32780), (16390, 24878), (17770, 22946), (19547, 20860)]