642965195710

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1\times {\mathrm{23539}}^1$

素因数の和:24185

約数の個数: 64

約数和(自身を含む): 1195432761600

約数和(自身を除く): 552467565890

約数列:

[1, 2, 5, 10, 43, 86, 139, 215, 278, 430, 457, 695, 914, 1390, 2285, 4570, 5977, 11954, 19651, 23539, 29885, 39302, 47078, 59770, 63523, 98255, 117695, 127046, 196510, 235390, 317615, 635230, 1012177, 2024354, 2731489, 3271921, 5060885, 5462978, 6543842, 10121770, 10757323, 13657445, 16359605, 21514646, 27314890, 32719210, 53786615, 107573230, 140692603, 281385206, 462564889, 703463015, 925129778, 1406926030, 1495267897, 2312824445, 2990535794, 4625648890, 7476339485, 14952678970, 64296519571, 128593039142, 321482597855, 642965195710]

約数ペア:

[(1, 642965195710), (2, 321482597855), (5, 128593039142), (10, 64296519571), (43, 14952678970), (86, 7476339485), (139, 4625648890), (215, 2990535794), (278, 2312824445), (430, 1495267897), (457, 1406926030), (695, 925129778), (914, 703463015), (1390, 462564889), (2285, 281385206), (4570, 140692603), (5977, 107573230), (11954, 53786615), (19651, 32719210), (23539, 27314890), (29885, 21514646), (39302, 16359605), (47078, 13657445), (59770, 10757323), (63523, 10121770), (98255, 6543842), (117695, 5462978), (127046, 5060885), (196510, 3271921), (235390, 2731489), (317615, 2024354), (635230, 1012177)]