1551150860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1063}}^1\times {\mathrm{1489}}^1$

素因数の和:2575

約数の個数: 72

約数和(自身を含む): 3795351840

約数和(自身を除く): 2244200980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1063, 1489, 2126, 2978, 4252, 5315, 5956, 7441, 7445, 10423, 10630, 14882, 14890, 20846, 21260, 29764, 29780, 37205, 41692, 52087, 52115, 72961, 74410, 104174, 104230, 145922, 148820, 208348, 208460, 260435, 291844, 364805, 520870, 729610, 1041740, 1459220, 1582807, 3165614, 6331228, 7914035, 11079649, 15828070, 22159298, 31656140, 44318596, 55398245, 77557543, 110796490, 155115086, 221592980, 310230172, 387787715, 775575430, 1551150860]

約数ペア:

[(1, 1551150860), (2, 775575430), (4, 387787715), (5, 310230172), (7, 221592980), (10, 155115086), (14, 110796490), (20, 77557543), (28, 55398245), (35, 44318596), (49, 31656140), (70, 22159298), (98, 15828070), (140, 11079649), (196, 7914035), (245, 6331228), (490, 3165614), (980, 1582807), (1063, 1459220), (1489, 1041740), (2126, 729610), (2978, 520870), (4252, 364805), (5315, 291844), (5956, 260435), (7441, 208460), (7445, 208348), (10423, 148820), (10630, 145922), (14882, 104230), (14890, 104174), (20846, 74410), (21260, 72961), (29764, 52115), (29780, 52087), (37205, 41692)]