247807840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2281}}^1$

素因数の和:2400

約数の個数: 96

約数和(自身を含む): 676275264

約数和(自身を除く): 428467424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 97, 112, 140, 160, 194, 224, 280, 388, 485, 560, 679, 776, 970, 1120, 1358, 1552, 1940, 2281, 2716, 3104, 3395, 3880, 4562, 5432, 6790, 7760, 9124, 10864, 11405, 13580, 15520, 15967, 18248, 21728, 22810, 27160, 31934, 36496, 45620, 54320, 63868, 72992, 79835, 91240, 108640, 127736, 159670, 182480, 221257, 255472, 319340, 364960, 442514, 510944, 638680, 885028, 1106285, 1277360, 1548799, 1770056, 2212570, 2554720, 3097598, 3540112, 4425140, 6195196, 7080224, 7743995, 8850280, 12390392, 15487990, 17700560, 24780784, 30975980, 35401120, 49561568, 61951960, 123903920, 247807840]

約数ペア:

[(1, 247807840), (2, 123903920), (4, 61951960), (5, 49561568), (7, 35401120), (8, 30975980), (10, 24780784), (14, 17700560), (16, 15487990), (20, 12390392), (28, 8850280), (32, 7743995), (35, 7080224), (40, 6195196), (56, 4425140), (70, 3540112), (80, 3097598), (97, 2554720), (112, 2212570), (140, 1770056), (160, 1548799), (194, 1277360), (224, 1106285), (280, 885028), (388, 638680), (485, 510944), (560, 442514), (679, 364960), (776, 319340), (970, 255472), (1120, 221257), (1358, 182480), (1552, 159670), (1940, 127736), (2281, 108640), (2716, 91240), (3104, 79835), (3395, 72992), (3880, 63868), (4562, 54320), (5432, 45620), (6790, 36496), (7760, 31934), (9124, 27160), (10864, 22810), (11405, 21728), (13580, 18248), (15520, 15967)]