207171020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{1181}}^1$

素因数の和:1383

約数の個数: 72

約数和(自身を含む): 509347440

約数和(自身を除く): 302176420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 179, 196, 245, 358, 490, 716, 895, 980, 1181, 1253, 1790, 2362, 2506, 3580, 4724, 5012, 5905, 6265, 8267, 8771, 11810, 12530, 16534, 17542, 23620, 25060, 33068, 35084, 41335, 43855, 57869, 82670, 87710, 115738, 165340, 175420, 211399, 231476, 289345, 422798, 578690, 845596, 1056995, 1157380, 1479793, 2113990, 2959586, 4227980, 5919172, 7398965, 10358551, 14797930, 20717102, 29595860, 41434204, 51792755, 103585510, 207171020]

約数ペア:

[(1, 207171020), (2, 103585510), (4, 51792755), (5, 41434204), (7, 29595860), (10, 20717102), (14, 14797930), (20, 10358551), (28, 7398965), (35, 5919172), (49, 4227980), (70, 2959586), (98, 2113990), (140, 1479793), (179, 1157380), (196, 1056995), (245, 845596), (358, 578690), (490, 422798), (716, 289345), (895, 231476), (980, 211399), (1181, 175420), (1253, 165340), (1790, 115738), (2362, 87710), (2506, 82670), (3580, 57869), (4724, 43855), (5012, 41335), (5905, 35084), (6265, 33068), (8267, 25060), (8771, 23620), (11810, 17542), (12530, 16534)]