3945160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 9720000

約数和(自身を除く): 5774840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 179, 190, 232, 290, 358, 380, 551, 580, 716, 760, 895, 1102, 1160, 1432, 1790, 2204, 2755, 3401, 3580, 4408, 5191, 5510, 6802, 7160, 10382, 11020, 13604, 17005, 20764, 22040, 25955, 27208, 34010, 41528, 51910, 68020, 98629, 103820, 136040, 197258, 207640, 394516, 493145, 789032, 986290, 1972580, 3945160]

約数ペア:

[(1, 3945160), (2, 1972580), (4, 986290), (5, 789032), (8, 493145), (10, 394516), (19, 207640), (20, 197258), (29, 136040), (38, 103820), (40, 98629), (58, 68020), (76, 51910), (95, 41528), (116, 34010), (145, 27208), (152, 25955), (179, 22040), (190, 20764), (232, 17005), (290, 13604), (358, 11020), (380, 10382), (551, 7160), (580, 6802), (716, 5510), (760, 5191), (895, 4408), (1102, 3580), (1160, 3401), (1432, 2755), (1790, 2204)]