251076420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{199267}}^1$

素因数の和:199289

約数の個数: 72

約数和(自身を含む): 870402624

約数和(自身を除く): 619326204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 199267, 398534, 597801, 797068, 996335, 1195602, 1394869, 1793403, 1992670, 2391204, 2789738, 2989005, 3586806, 3985340, 4184607, 5579476, 5978010, 6974345, 7173612, 8369214, 8967015, 11956020, 12553821, 13948690, 16738428, 17934030, 20923035, 25107642, 27897380, 35868060, 41846070, 50215284, 62769105, 83692140, 125538210, 251076420]

約数ペア:

[(1, 251076420), (2, 125538210), (3, 83692140), (4, 62769105), (5, 50215284), (6, 41846070), (7, 35868060), (9, 27897380), (10, 25107642), (12, 20923035), (14, 17934030), (15, 16738428), (18, 13948690), (20, 12553821), (21, 11956020), (28, 8967015), (30, 8369214), (35, 7173612), (36, 6974345), (42, 5978010), (45, 5579476), (60, 4184607), (63, 3985340), (70, 3586806), (84, 2989005), (90, 2789738), (105, 2391204), (126, 1992670), (140, 1793403), (180, 1394869), (210, 1195602), (252, 996335), (315, 797068), (420, 597801), (630, 398534), (1260, 199267)]