1972580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 4536000

約数和(自身を除く): 2563420

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 179, 190, 290, 358, 380, 551, 580, 716, 895, 1102, 1790, 2204, 2755, 3401, 3580, 5191, 5510, 6802, 10382, 11020, 13604, 17005, 20764, 25955, 34010, 51910, 68020, 98629, 103820, 197258, 394516, 493145, 986290, 1972580]

約数ペア:

[(1, 1972580), (2, 986290), (4, 493145), (5, 394516), (10, 197258), (19, 103820), (20, 98629), (29, 68020), (38, 51910), (58, 34010), (76, 25955), (95, 20764), (116, 17005), (145, 13604), (179, 11020), (190, 10382), (290, 6802), (358, 5510), (380, 5191), (551, 3580), (580, 3401), (716, 2755), (895, 2204), (1102, 1790)]