1402972900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{40903}}^1$

素因数の和:40938

約数の個数: 72

約数和(自身を含む): 3550467200

約数和(自身を除く): 2147494300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 980, 1225, 1372, 1715, 2450, 3430, 4900, 6860, 8575, 17150, 34300, 40903, 81806, 163612, 204515, 286321, 409030, 572642, 818060, 1022575, 1145284, 1431605, 2004247, 2045150, 2863210, 4008494, 4090300, 5726420, 7158025, 8016988, 10021235, 14029729, 14316050, 20042470, 28059458, 28632100, 40084940, 50106175, 56118916, 70148645, 100212350, 140297290, 200424700, 280594580, 350743225, 701486450, 1402972900]

約数ペア:

[(1, 1402972900), (2, 701486450), (4, 350743225), (5, 280594580), (7, 200424700), (10, 140297290), (14, 100212350), (20, 70148645), (25, 56118916), (28, 50106175), (35, 40084940), (49, 28632100), (50, 28059458), (70, 20042470), (98, 14316050), (100, 14029729), (140, 10021235), (175, 8016988), (196, 7158025), (245, 5726420), (343, 4090300), (350, 4008494), (490, 2863210), (686, 2045150), (700, 2004247), (980, 1431605), (1225, 1145284), (1372, 1022575), (1715, 818060), (2450, 572642), (3430, 409030), (4900, 286321), (6860, 204515), (8575, 163612), (17150, 81806), (34300, 40903)]