129600140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1427}}^1$

素因数の和:1694

約数の個数: 48

約数和(自身を含む): 287884800

約数和(自身を除く): 158284660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 239, 380, 478, 956, 1195, 1427, 2390, 2854, 4541, 4780, 5708, 7135, 9082, 14270, 18164, 22705, 27113, 28540, 45410, 54226, 90820, 108452, 135565, 271130, 341053, 542260, 682106, 1364212, 1705265, 3410530, 6480007, 6821060, 12960014, 25920028, 32400035, 64800070, 129600140]

約数ペア:

[(1, 129600140), (2, 64800070), (4, 32400035), (5, 25920028), (10, 12960014), (19, 6821060), (20, 6480007), (38, 3410530), (76, 1705265), (95, 1364212), (190, 682106), (239, 542260), (380, 341053), (478, 271130), (956, 135565), (1195, 108452), (1427, 90820), (2390, 54226), (2854, 45410), (4541, 28540), (4780, 27113), (5708, 22705), (7135, 18164), (9082, 14270)]