179937740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{883}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 395635968

約数和(自身を除く): 215698228

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 443, 460, 883, 886, 1766, 1772, 2215, 3532, 4415, 4430, 8830, 8860, 10189, 17660, 20309, 20378, 40618, 40756, 50945, 81236, 101545, 101890, 203090, 203780, 391169, 406180, 782338, 1564676, 1955845, 3911690, 7823380, 8996887, 17993774, 35987548, 44984435, 89968870, 179937740]

約数ペア:

[(1, 179937740), (2, 89968870), (4, 44984435), (5, 35987548), (10, 17993774), (20, 8996887), (23, 7823380), (46, 3911690), (92, 1955845), (115, 1564676), (230, 782338), (443, 406180), (460, 391169), (883, 203780), (886, 203090), (1766, 101890), (1772, 101545), (2215, 81236), (3532, 50945), (4415, 40756), (4430, 40618), (8830, 20378), (8860, 20309), (10189, 17660)]