263392290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{139361}}^1$

素因数の和:139384

約数の個数: 64

約数和(自身を含む): 802725120

約数和(自身を除く): 539332830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 139361, 278722, 418083, 696805, 836166, 975527, 1254249, 1393610, 1951054, 2090415, 2508498, 2926581, 3762747, 4180830, 4877635, 5853162, 6271245, 7525494, 8779743, 9755270, 12542490, 14632905, 17559486, 18813735, 26339229, 29265810, 37627470, 43898715, 52678458, 87797430, 131696145, 263392290]

約数ペア:

[(1, 263392290), (2, 131696145), (3, 87797430), (5, 52678458), (6, 43898715), (7, 37627470), (9, 29265810), (10, 26339229), (14, 18813735), (15, 17559486), (18, 14632905), (21, 12542490), (27, 9755270), (30, 8779743), (35, 7525494), (42, 6271245), (45, 5853162), (54, 4877635), (63, 4180830), (70, 3762747), (90, 2926581), (105, 2508498), (126, 2090415), (135, 1951054), (189, 1393610), (210, 1254249), (270, 975527), (315, 836166), (378, 696805), (630, 418083), (945, 278722), (1890, 139361)]