724451320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{4493}}^1$

素因数の和:4672

約数の個数: 64

約数和(自身を含む): 1698732000

約数和(自身を除く): 974280680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 139, 145, 232, 278, 290, 556, 580, 695, 1112, 1160, 1390, 2780, 4031, 4493, 5560, 8062, 8986, 16124, 17972, 20155, 22465, 32248, 35944, 40310, 44930, 80620, 89860, 130297, 161240, 179720, 260594, 521188, 624527, 651485, 1042376, 1249054, 1302970, 2498108, 2605940, 3122635, 4996216, 5211880, 6245270, 12490540, 18111283, 24981080, 36222566, 72445132, 90556415, 144890264, 181112830, 362225660, 724451320]

約数ペア:

[(1, 724451320), (2, 362225660), (4, 181112830), (5, 144890264), (8, 90556415), (10, 72445132), (20, 36222566), (29, 24981080), (40, 18111283), (58, 12490540), (116, 6245270), (139, 5211880), (145, 4996216), (232, 3122635), (278, 2605940), (290, 2498108), (556, 1302970), (580, 1249054), (695, 1042376), (1112, 651485), (1160, 624527), (1390, 521188), (2780, 260594), (4031, 179720), (4493, 161240), (5560, 130297), (8062, 89860), (8986, 80620), (16124, 44930), (17972, 40310), (20155, 35944), (22465, 32248)]