20199451790

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{125299}}^1$

素因数の和:125374

約数の個数: 64

約数和(自身を含む): 43303680000

約数和(自身を除く): 23104228210

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 49, 70, 94, 98, 235, 245, 329, 343, 470, 490, 658, 686, 1645, 1715, 2303, 3290, 3430, 4606, 11515, 16121, 23030, 32242, 80605, 125299, 161210, 250598, 626495, 877093, 1252990, 1754186, 4385465, 5889053, 6139651, 8770930, 11778106, 12279302, 29445265, 30698255, 41223371, 42977557, 58890530, 61396510, 82446742, 85955114, 206116855, 214887785, 288563597, 412233710, 429775570, 577127194, 1442817985, 2019945179, 2885635970, 4039890358, 10099725895, 20199451790]

約数ペア:

[(1, 20199451790), (2, 10099725895), (5, 4039890358), (7, 2885635970), (10, 2019945179), (14, 1442817985), (35, 577127194), (47, 429775570), (49, 412233710), (70, 288563597), (94, 214887785), (98, 206116855), (235, 85955114), (245, 82446742), (329, 61396510), (343, 58890530), (470, 42977557), (490, 41223371), (658, 30698255), (686, 29445265), (1645, 12279302), (1715, 11778106), (2303, 8770930), (3290, 6139651), (3430, 5889053), (4606, 4385465), (11515, 1754186), (16121, 1252990), (23030, 877093), (32242, 626495), (80605, 250598), (125299, 161210)]