79926980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{8521}}^1$

素因数の和:8604

約数の個数: 48

約数和(自身を含む): 194710656

約数和(自身を除く): 114783676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 8521, 9380, 17042, 34084, 42605, 59647, 85210, 119294, 170420, 238588, 298235, 570907, 596470, 1141814, 1192940, 2283628, 2854535, 3996349, 5709070, 7992698, 11418140, 15985396, 19981745, 39963490, 79926980]

約数ペア:

[(1, 79926980), (2, 39963490), (4, 19981745), (5, 15985396), (7, 11418140), (10, 7992698), (14, 5709070), (20, 3996349), (28, 2854535), (35, 2283628), (67, 1192940), (70, 1141814), (134, 596470), (140, 570907), (268, 298235), (335, 238588), (469, 170420), (670, 119294), (938, 85210), (1340, 59647), (1876, 42605), (2345, 34084), (4690, 17042), (8521, 9380)]