85898820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{204521}}^1$

素因数の和:204540

約数の個数: 48

約数和(自身を含む): 274877568

約数和(自身を除く): 188978748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 204521, 409042, 613563, 818084, 1022605, 1227126, 1431647, 2045210, 2454252, 2863294, 3067815, 4090420, 4294941, 5726588, 6135630, 7158235, 8589882, 12271260, 14316470, 17179764, 21474705, 28632940, 42949410, 85898820]

約数ペア:

[(1, 85898820), (2, 42949410), (3, 28632940), (4, 21474705), (5, 17179764), (6, 14316470), (7, 12271260), (10, 8589882), (12, 7158235), (14, 6135630), (15, 5726588), (20, 4294941), (21, 4090420), (28, 3067815), (30, 2863294), (35, 2454252), (42, 2045210), (60, 1431647), (70, 1227126), (84, 1022605), (105, 818084), (140, 613563), (210, 409042), (420, 204521)]