1215691420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{26099}}^1$

素因数の和:26262

約数の個数: 48

約数和(自身を含む): 2722960800

約数和(自身を除く): 1507269380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 340, 548, 685, 1370, 2329, 2740, 4658, 9316, 11645, 23290, 26099, 46580, 52198, 104396, 130495, 260990, 443683, 521980, 887366, 1774732, 2218415, 3575563, 4436830, 7151126, 8873660, 14302252, 17877815, 35755630, 60784571, 71511260, 121569142, 243138284, 303922855, 607845710, 1215691420]

約数ペア:

[(1, 1215691420), (2, 607845710), (4, 303922855), (5, 243138284), (10, 121569142), (17, 71511260), (20, 60784571), (34, 35755630), (68, 17877815), (85, 14302252), (137, 8873660), (170, 7151126), (274, 4436830), (340, 3575563), (548, 2218415), (685, 1774732), (1370, 887366), (2329, 521980), (2740, 443683), (4658, 260990), (9316, 130495), (11645, 104396), (23290, 52198), (26099, 46580)]