256834928

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{557}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 597818880

約数和(自身を除く): 340983952

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 179, 184, 322, 358, 368, 557, 644, 716, 1114, 1253, 1288, 1432, 2228, 2506, 2576, 2864, 3899, 4117, 4456, 5012, 7798, 8234, 8912, 10024, 12811, 15596, 16468, 20048, 25622, 28819, 31192, 32936, 51244, 57638, 62384, 65872, 89677, 99703, 102488, 115276, 179354, 199406, 204976, 230552, 358708, 398812, 461104, 697921, 717416, 797624, 1395842, 1434832, 1595248, 2293169, 2791684, 4586338, 5583368, 9172676, 11166736, 16052183, 18345352, 32104366, 36690704, 64208732, 128417464, 256834928]

約数ペア:

[(1, 256834928), (2, 128417464), (4, 64208732), (7, 36690704), (8, 32104366), (14, 18345352), (16, 16052183), (23, 11166736), (28, 9172676), (46, 5583368), (56, 4586338), (92, 2791684), (112, 2293169), (161, 1595248), (179, 1434832), (184, 1395842), (322, 797624), (358, 717416), (368, 697921), (557, 461104), (644, 398812), (716, 358708), (1114, 230552), (1253, 204976), (1288, 199406), (1432, 179354), (2228, 115276), (2506, 102488), (2576, 99703), (2864, 89677), (3899, 65872), (4117, 62384), (4456, 57638), (5012, 51244), (7798, 32936), (8234, 31192), (8912, 28819), (10024, 25622), (12811, 20048), (15596, 16468)]