399719810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1307}}^1$

素因数の和:1595

約数の個数: 64

約数和(自身を含む): 874706688

約数和(自身を除く): 474986878

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 257, 514, 595, 1190, 1285, 1307, 1799, 2570, 2614, 3598, 4369, 6535, 8738, 8995, 9149, 13070, 17990, 18298, 21845, 22219, 30583, 43690, 44438, 45745, 61166, 91490, 111095, 152915, 155533, 222190, 305830, 311066, 335899, 671798, 777665, 1555330, 1679495, 2351293, 3358990, 4702586, 5710283, 11420566, 11756465, 23512930, 28551415, 39971981, 57102830, 79943962, 199859905, 399719810]

約数ペア:

[(1, 399719810), (2, 199859905), (5, 79943962), (7, 57102830), (10, 39971981), (14, 28551415), (17, 23512930), (34, 11756465), (35, 11420566), (70, 5710283), (85, 4702586), (119, 3358990), (170, 2351293), (238, 1679495), (257, 1555330), (514, 777665), (595, 671798), (1190, 335899), (1285, 311066), (1307, 305830), (1799, 222190), (2570, 155533), (2614, 152915), (3598, 111095), (4369, 91490), (6535, 61166), (8738, 45745), (8995, 44438), (9149, 43690), (13070, 30583), (17990, 22219), (18298, 21845)]