258983410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 549964800

約数和(自身を除く): 290981390

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 139, 215, 278, 301, 430, 602, 619, 695, 973, 1238, 1390, 1505, 1946, 3010, 3095, 4333, 4865, 5977, 6190, 8666, 9730, 11954, 21665, 26617, 29885, 41839, 43330, 53234, 59770, 83678, 86041, 133085, 172082, 186319, 209195, 266170, 372638, 418390, 430205, 602287, 860410, 931595, 1204574, 1863190, 3011435, 3699763, 6022870, 7399526, 18498815, 25898341, 36997630, 51796682, 129491705, 258983410]

約数ペア:

[(1, 258983410), (2, 129491705), (5, 51796682), (7, 36997630), (10, 25898341), (14, 18498815), (35, 7399526), (43, 6022870), (70, 3699763), (86, 3011435), (139, 1863190), (215, 1204574), (278, 931595), (301, 860410), (430, 602287), (602, 430205), (619, 418390), (695, 372638), (973, 266170), (1238, 209195), (1390, 186319), (1505, 172082), (1946, 133085), (3010, 86041), (3095, 83678), (4333, 59770), (4865, 53234), (5977, 43330), (6190, 41839), (8666, 29885), (9730, 26617), (11954, 21665)]