331355150

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{139}}^2$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 723949200

約数和(自身を除く): 392594050

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 139, 175, 245, 278, 343, 350, 490, 686, 695, 973, 1225, 1390, 1715, 1946, 2450, 3430, 3475, 4865, 6811, 6950, 8575, 9730, 13622, 17150, 19321, 24325, 34055, 38642, 47677, 48650, 68110, 95354, 96605, 135247, 170275, 193210, 238385, 270494, 340550, 476770, 483025, 676235, 946729, 966050, 1191925, 1352470, 1893458, 2383850, 3381175, 4733645, 6627103, 6762350, 9467290, 13254206, 23668225, 33135515, 47336450, 66271030, 165677575, 331355150]

約数ペア:

[(1, 331355150), (2, 165677575), (5, 66271030), (7, 47336450), (10, 33135515), (14, 23668225), (25, 13254206), (35, 9467290), (49, 6762350), (50, 6627103), (70, 4733645), (98, 3381175), (139, 2383850), (175, 1893458), (245, 1352470), (278, 1191925), (343, 966050), (350, 946729), (490, 676235), (686, 483025), (695, 476770), (973, 340550), (1225, 270494), (1390, 238385), (1715, 193210), (1946, 170275), (2450, 135247), (3430, 96605), (3475, 95354), (4865, 68110), (6811, 48650), (6950, 47677), (8575, 38642), (9730, 34055), (13622, 24325), (17150, 19321)]