208799710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1409}}^1$

素因数の和:1525

約数の個数: 64

約数和(自身を含む): 450748800

約数和(自身を除く): 241949090

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 73, 145, 146, 203, 290, 365, 406, 511, 730, 1015, 1022, 1409, 2030, 2117, 2555, 2818, 4234, 5110, 7045, 9863, 10585, 14090, 14819, 19726, 21170, 29638, 40861, 49315, 74095, 81722, 98630, 102857, 148190, 204305, 205714, 286027, 408610, 514285, 572054, 719999, 1028570, 1430135, 1439998, 2860270, 2982853, 3599995, 5965706, 7199990, 14914265, 20879971, 29828530, 41759942, 104399855, 208799710]

約数ペア:

[(1, 208799710), (2, 104399855), (5, 41759942), (7, 29828530), (10, 20879971), (14, 14914265), (29, 7199990), (35, 5965706), (58, 3599995), (70, 2982853), (73, 2860270), (145, 1439998), (146, 1430135), (203, 1028570), (290, 719999), (365, 572054), (406, 514285), (511, 408610), (730, 286027), (1015, 205714), (1022, 204305), (1409, 148190), (2030, 102857), (2117, 98630), (2555, 81722), (2818, 74095), (4234, 49315), (5110, 40861), (7045, 29638), (9863, 21170), (10585, 19726), (14090, 14819)]