31007020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1453}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 71815968

約数和(自身を除く): 40808948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1453, 1940, 2134, 2906, 4268, 5335, 5812, 7265, 10670, 14530, 15983, 21340, 29060, 31966, 63932, 79915, 140941, 159830, 281882, 319660, 563764, 704705, 1409410, 1550351, 2818820, 3100702, 6201404, 7751755, 15503510, 31007020]

約数ペア:

[(1, 31007020), (2, 15503510), (4, 7751755), (5, 6201404), (10, 3100702), (11, 2818820), (20, 1550351), (22, 1409410), (44, 704705), (55, 563764), (97, 319660), (110, 281882), (194, 159830), (220, 140941), (388, 79915), (485, 63932), (970, 31966), (1067, 29060), (1453, 21340), (1940, 15983), (2134, 14530), (2906, 10670), (4268, 7265), (5335, 5812)]