247492090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 479001600

約数和(自身を除く): 231509510

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 89, 145, 178, 215, 223, 290, 430, 445, 446, 890, 1115, 1247, 2230, 2494, 2581, 3827, 5162, 6235, 6467, 7654, 9589, 12470, 12905, 12934, 19135, 19178, 19847, 25810, 32335, 38270, 39694, 47945, 64670, 95890, 99235, 110983, 198470, 221966, 278081, 554915, 556162, 575563, 853421, 1109830, 1151126, 1390405, 1706842, 2780810, 2877815, 4267105, 5755630, 8534210, 24749209, 49498418, 123746045, 247492090]

約数ペア:

[(1, 247492090), (2, 123746045), (5, 49498418), (10, 24749209), (29, 8534210), (43, 5755630), (58, 4267105), (86, 2877815), (89, 2780810), (145, 1706842), (178, 1390405), (215, 1151126), (223, 1109830), (290, 853421), (430, 575563), (445, 556162), (446, 554915), (890, 278081), (1115, 221966), (1247, 198470), (2230, 110983), (2494, 99235), (2581, 95890), (3827, 64670), (5162, 47945), (6235, 39694), (6467, 38270), (7654, 32335), (9589, 25810), (12470, 19847), (12905, 19178), (12934, 19135)]