1897720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 4924800

約数和(自身を除く): 3027080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 227, 380, 418, 440, 454, 760, 836, 908, 1045, 1135, 1672, 1816, 2090, 2270, 2497, 4180, 4313, 4540, 4994, 8360, 8626, 9080, 9988, 12485, 17252, 19976, 21565, 24970, 34504, 43130, 47443, 49940, 86260, 94886, 99880, 172520, 189772, 237215, 379544, 474430, 948860, 1897720]

約数ペア:

[(1, 1897720), (2, 948860), (4, 474430), (5, 379544), (8, 237215), (10, 189772), (11, 172520), (19, 99880), (20, 94886), (22, 86260), (38, 49940), (40, 47443), (44, 43130), (55, 34504), (76, 24970), (88, 21565), (95, 19976), (110, 17252), (152, 12485), (190, 9988), (209, 9080), (220, 8626), (227, 8360), (380, 4994), (418, 4540), (440, 4313), (454, 4180), (760, 2497), (836, 2270), (908, 2090), (1045, 1816), (1135, 1672)]