2100078820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1\times {\mathrm{929}}^1$

素因数の和:1253

約数の個数: 96

約数和(自身を含む): 5142170880

約数和(自身を除く): 3042092060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 241, 268, 335, 469, 482, 670, 929, 938, 964, 1205, 1340, 1687, 1858, 1876, 2345, 2410, 3374, 3716, 4645, 4690, 4820, 6503, 6748, 8435, 9290, 9380, 13006, 16147, 16870, 18580, 26012, 32294, 32515, 33740, 62243, 64588, 65030, 80735, 113029, 124486, 130060, 161470, 223889, 226058, 248972, 311215, 322940, 435701, 447778, 452116, 565145, 622430, 871402, 895556, 1119445, 1130290, 1244860, 1567223, 1742804, 2178505, 2238890, 2260580, 3134446, 4357010, 4477780, 6268892, 7836115, 8714020, 15000563, 15672230, 30001126, 31344460, 60002252, 75002815, 105003941, 150005630, 210007882, 300011260, 420015764, 525019705, 1050039410, 2100078820]

約数ペア:

[(1, 2100078820), (2, 1050039410), (4, 525019705), (5, 420015764), (7, 300011260), (10, 210007882), (14, 150005630), (20, 105003941), (28, 75002815), (35, 60002252), (67, 31344460), (70, 30001126), (134, 15672230), (140, 15000563), (241, 8714020), (268, 7836115), (335, 6268892), (469, 4477780), (482, 4357010), (670, 3134446), (929, 2260580), (938, 2238890), (964, 2178505), (1205, 1742804), (1340, 1567223), (1687, 1244860), (1858, 1130290), (1876, 1119445), (2345, 895556), (2410, 871402), (3374, 622430), (3716, 565145), (4645, 452116), (4690, 447778), (4820, 435701), (6503, 322940), (6748, 311215), (8435, 248972), (9290, 226058), (9380, 223889), (13006, 161470), (16147, 130060), (16870, 124486), (18580, 113029), (26012, 80735), (32294, 65030), (32515, 64588), (33740, 62243)]