28439770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^2$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 56089440

約数和(自身を除く): 27649670

約数列:

[1, 2, 5, 10, 19, 38, 43, 59, 86, 95, 118, 190, 215, 295, 430, 590, 817, 1121, 1634, 2242, 2537, 3481, 4085, 5074, 5605, 6962, 8170, 11210, 12685, 17405, 25370, 34810, 48203, 66139, 96406, 132278, 149683, 241015, 299366, 330695, 482030, 661390, 748415, 1496830, 2843977, 5687954, 14219885, 28439770]

約数ペア:

[(1, 28439770), (2, 14219885), (5, 5687954), (10, 2843977), (19, 1496830), (38, 748415), (43, 661390), (59, 482030), (86, 330695), (95, 299366), (118, 241015), (190, 149683), (215, 132278), (295, 96406), (430, 66139), (590, 48203), (817, 34810), (1121, 25370), (1634, 17405), (2242, 12685), (2537, 11210), (3481, 8170), (4085, 6962), (5074, 5605)]