157020220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{4049}}^1$

素因数の和:4342

約数の個数: 48

約数和(自身を含む): 378302400

約数和(自身を除く): 221282180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 1108, 1385, 1939, 2770, 3878, 4049, 5540, 7756, 8098, 9695, 16196, 19390, 20245, 28343, 38780, 40490, 56686, 80980, 113372, 141715, 283430, 566860, 1121573, 2243146, 4486292, 5607865, 7851011, 11215730, 15702022, 22431460, 31404044, 39255055, 78510110, 157020220]

約数ペア:

[(1, 157020220), (2, 78510110), (4, 39255055), (5, 31404044), (7, 22431460), (10, 15702022), (14, 11215730), (20, 7851011), (28, 5607865), (35, 4486292), (70, 2243146), (140, 1121573), (277, 566860), (554, 283430), (1108, 141715), (1385, 113372), (1939, 80980), (2770, 56686), (3878, 40490), (4049, 38780), (5540, 28343), (7756, 20245), (8098, 19390), (9695, 16196)]