68750740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{757}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 152812800

約数和(自身を除く): 84062060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 239, 380, 478, 757, 956, 1195, 1514, 2390, 3028, 3785, 4541, 4780, 7570, 9082, 14383, 15140, 18164, 22705, 28766, 45410, 57532, 71915, 90820, 143830, 180923, 287660, 361846, 723692, 904615, 1809230, 3437537, 3618460, 6875074, 13750148, 17187685, 34375370, 68750740]

約数ペア:

[(1, 68750740), (2, 34375370), (4, 17187685), (5, 13750148), (10, 6875074), (19, 3618460), (20, 3437537), (38, 1809230), (76, 904615), (95, 723692), (190, 361846), (239, 287660), (380, 180923), (478, 143830), (757, 90820), (956, 71915), (1195, 57532), (1514, 45410), (2390, 28766), (3028, 22705), (3785, 18164), (4541, 15140), (4780, 14383), (7570, 9082)]