338032990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2065

約数の個数: 64

約数和(自身を含む): 684288000

約数和(自身を除く): 346255010

約数列:

[1, 2, 5, 10, 19, 29, 31, 38, 58, 62, 95, 145, 155, 190, 290, 310, 551, 589, 899, 1102, 1178, 1798, 1979, 2755, 2945, 3958, 4495, 5510, 5890, 8990, 9895, 17081, 19790, 34162, 37601, 57391, 61349, 75202, 85405, 114782, 122698, 170810, 188005, 286955, 306745, 376010, 573910, 613490, 1090429, 1165631, 1779121, 2180858, 2331262, 3558242, 5452145, 5828155, 8895605, 10904290, 11656310, 17791210, 33803299, 67606598, 169016495, 338032990]

約数ペア:

[(1, 338032990), (2, 169016495), (5, 67606598), (10, 33803299), (19, 17791210), (29, 11656310), (31, 10904290), (38, 8895605), (58, 5828155), (62, 5452145), (95, 3558242), (145, 2331262), (155, 2180858), (190, 1779121), (290, 1165631), (310, 1090429), (551, 613490), (589, 573910), (899, 376010), (1102, 306745), (1178, 286955), (1798, 188005), (1979, 170810), (2755, 122698), (2945, 114782), (3958, 85405), (4495, 75202), (5510, 61349), (5890, 57391), (8990, 37601), (9895, 34162), (17081, 19790)]