71293180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16427}}^1$

素因数の和:16474

約数の個数: 48

約数和(自身を含む): 176633856

約数和(自身を除く): 105340676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 16427, 32854, 65708, 82135, 114989, 164270, 229978, 328540, 459956, 509237, 574945, 1018474, 1149890, 2036948, 2299780, 2546185, 3564659, 5092370, 7129318, 10184740, 14258636, 17823295, 35646590, 71293180]

約数ペア:

[(1, 71293180), (2, 35646590), (4, 17823295), (5, 14258636), (7, 10184740), (10, 7129318), (14, 5092370), (20, 3564659), (28, 2546185), (31, 2299780), (35, 2036948), (62, 1149890), (70, 1018474), (124, 574945), (140, 509237), (155, 459956), (217, 328540), (310, 229978), (434, 164270), (620, 114989), (868, 82135), (1085, 65708), (2170, 32854), (4340, 16427)]