127768400

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 322088760

約数和(自身を除く): 194320360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 89, 97, 100, 148, 178, 185, 194, 200, 296, 356, 370, 388, 400, 445, 485, 592, 712, 740, 776, 890, 925, 970, 1424, 1480, 1552, 1780, 1850, 1940, 2225, 2425, 2960, 3293, 3560, 3589, 3700, 3880, 4450, 4850, 6586, 7120, 7178, 7400, 7760, 8633, 8900, 9700, 13172, 14356, 14800, 16465, 17266, 17800, 17945, 19400, 26344, 28712, 32930, 34532, 35600, 35890, 38800, 43165, 52688, 57424, 65860, 69064, 71780, 82325, 86330, 89725, 131720, 138128, 143560, 164650, 172660, 179450, 215825, 263440, 287120, 319421, 329300, 345320, 358900, 431650, 638842, 658600, 690640, 717800, 863300, 1277684, 1317200, 1435600, 1597105, 1726600, 2555368, 3194210, 3453200, 5110736, 6388420, 7985525, 12776840, 15971050, 25553680, 31942100, 63884200, 127768400]

約数ペア:

[(1, 127768400), (2, 63884200), (4, 31942100), (5, 25553680), (8, 15971050), (10, 12776840), (16, 7985525), (20, 6388420), (25, 5110736), (37, 3453200), (40, 3194210), (50, 2555368), (74, 1726600), (80, 1597105), (89, 1435600), (97, 1317200), (100, 1277684), (148, 863300), (178, 717800), (185, 690640), (194, 658600), (200, 638842), (296, 431650), (356, 358900), (370, 345320), (388, 329300), (400, 319421), (445, 287120), (485, 263440), (592, 215825), (712, 179450), (740, 172660), (776, 164650), (890, 143560), (925, 138128), (970, 131720), (1424, 89725), (1480, 86330), (1552, 82325), (1780, 71780), (1850, 69064), (1940, 65860), (2225, 57424), (2425, 52688), (2960, 43165), (3293, 38800), (3560, 35890), (3589, 35600), (3700, 34532), (3880, 32930), (4450, 28712), (4850, 26344), (6586, 19400), (7120, 17945), (7178, 17800), (7400, 17266), (7760, 16465), (8633, 14800), (8900, 14356), (9700, 13172)]