13897180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 32104800

約数和(自身を除く): 18207620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 349, 362, 698, 724, 905, 1396, 1745, 1810, 1991, 3490, 3620, 3839, 3982, 6980, 7678, 7964, 9955, 15356, 19195, 19910, 38390, 39820, 63169, 76780, 126338, 252676, 315845, 631690, 694859, 1263380, 1389718, 2779436, 3474295, 6948590, 13897180]

約数ペア:

[(1, 13897180), (2, 6948590), (4, 3474295), (5, 2779436), (10, 1389718), (11, 1263380), (20, 694859), (22, 631690), (44, 315845), (55, 252676), (110, 126338), (181, 76780), (220, 63169), (349, 39820), (362, 38390), (698, 19910), (724, 19195), (905, 15356), (1396, 9955), (1745, 7964), (1810, 7678), (1991, 6980), (3490, 3982), (3620, 3839)]