144617740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{883}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 320785920

約数和(自身を除く): 176168180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 431, 862, 883, 1724, 1766, 2155, 3532, 4310, 4415, 8189, 8620, 8830, 16378, 16777, 17660, 32756, 33554, 40945, 67108, 81890, 83885, 163780, 167770, 335540, 380573, 761146, 1522292, 1902865, 3805730, 7230887, 7611460, 14461774, 28923548, 36154435, 72308870, 144617740]

約数ペア:

[(1, 144617740), (2, 72308870), (4, 36154435), (5, 28923548), (10, 14461774), (19, 7611460), (20, 7230887), (38, 3805730), (76, 1902865), (95, 1522292), (190, 761146), (380, 380573), (431, 335540), (862, 167770), (883, 163780), (1724, 83885), (1766, 81890), (2155, 67108), (3532, 40945), (4310, 33554), (4415, 32756), (8189, 17660), (8620, 16777), (8830, 16378)]