621356260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{7639}}^1$

素因数の和:7745

約数の個数: 72

約数和(自身を含む): 1536373440

約数和(自身を除く): 915017180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 415, 490, 581, 830, 980, 1162, 1660, 2324, 2905, 4067, 5810, 7639, 8134, 11620, 15278, 16268, 20335, 30556, 38195, 40670, 53473, 76390, 81340, 106946, 152780, 213892, 267365, 374311, 534730, 634037, 748622, 1069460, 1268074, 1497244, 1871555, 2536148, 3170185, 3743110, 4438259, 6340370, 7486220, 8876518, 12680740, 17753036, 22191295, 31067813, 44382590, 62135626, 88765180, 124271252, 155339065, 310678130, 621356260]

約数ペア:

[(1, 621356260), (2, 310678130), (4, 155339065), (5, 124271252), (7, 88765180), (10, 62135626), (14, 44382590), (20, 31067813), (28, 22191295), (35, 17753036), (49, 12680740), (70, 8876518), (83, 7486220), (98, 6340370), (140, 4438259), (166, 3743110), (196, 3170185), (245, 2536148), (332, 1871555), (415, 1497244), (490, 1268074), (581, 1069460), (830, 748622), (980, 634037), (1162, 534730), (1660, 374311), (2324, 267365), (2905, 213892), (4067, 152780), (5810, 106946), (7639, 81340), (8134, 76390), (11620, 53473), (15278, 40670), (16268, 38195), (20335, 30556)]