1458820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 3528000

約数和(自身を除く): 2069180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 349, 380, 418, 698, 836, 1045, 1396, 1745, 2090, 3490, 3839, 4180, 6631, 6980, 7678, 13262, 15356, 19195, 26524, 33155, 38390, 66310, 72941, 76780, 132620, 145882, 291764, 364705, 729410, 1458820]

約数ペア:

[(1, 1458820), (2, 729410), (4, 364705), (5, 291764), (10, 145882), (11, 132620), (19, 76780), (20, 72941), (22, 66310), (38, 38390), (44, 33155), (55, 26524), (76, 19195), (95, 15356), (110, 13262), (190, 7678), (209, 6980), (220, 6631), (349, 4180), (380, 3839), (418, 3490), (698, 2090), (836, 1745), (1045, 1396)]