155536660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1031}}^1$

素因数の和:1456

約数の個数: 48

約数和(自身を含む): 345018240

約数和(自身を除く): 189481580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 397, 794, 1031, 1588, 1985, 2062, 3970, 4124, 5155, 7543, 7940, 10310, 15086, 19589, 20620, 30172, 37715, 39178, 75430, 78356, 97945, 150860, 195890, 391780, 409307, 818614, 1637228, 2046535, 4093070, 7776833, 8186140, 15553666, 31107332, 38884165, 77768330, 155536660]

約数ペア:

[(1, 155536660), (2, 77768330), (4, 38884165), (5, 31107332), (10, 15553666), (19, 8186140), (20, 7776833), (38, 4093070), (76, 2046535), (95, 1637228), (190, 818614), (380, 409307), (397, 391780), (794, 195890), (1031, 150860), (1588, 97945), (1985, 78356), (2062, 75430), (3970, 39178), (4124, 37715), (5155, 30172), (7543, 20620), (7940, 19589), (10310, 15086)]