8509888940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{242171}}^1$

素因数の和:242438

約数の個数: 48

約数和(自身を含む): 20505187584

約数和(自身を除く): 11995298644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 5020, 7028, 8785, 17570, 35140, 242171, 484342, 968684, 1210855, 1695197, 2421710, 3390394, 4843420, 6780788, 8475985, 16951970, 33903940, 60784921, 121569842, 243139684, 303924605, 425494447, 607849210, 850988894, 1215698420, 1701977788, 2127472235, 4254944470, 8509888940]

約数ペア:

[(1, 8509888940), (2, 4254944470), (4, 2127472235), (5, 1701977788), (7, 1215698420), (10, 850988894), (14, 607849210), (20, 425494447), (28, 303924605), (35, 243139684), (70, 121569842), (140, 60784921), (251, 33903940), (502, 16951970), (1004, 8475985), (1255, 6780788), (1757, 4843420), (2510, 3390394), (3514, 2421710), (5020, 1695197), (7028, 1210855), (8785, 968684), (17570, 484342), (35140, 242171)]