281300670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:535

約数の個数: 144

約数和(自身を含む): 857580048

約数和(自身を除く): 576279378

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 227, 245, 281, 294, 315, 441, 454, 490, 562, 630, 681, 735, 843, 882, 1135, 1362, 1405, 1470, 1589, 1686, 1967, 2043, 2205, 2270, 2529, 2810, 3178, 3405, 3934, 4086, 4215, 4410, 4767, 5058, 5901, 6810, 7945, 8430, 9534, 9835, 10215, 11123, 11802, 12645, 13769, 14301, 15890, 17703, 19670, 20430, 22246, 23835, 25290, 27538, 28602, 29505, 33369, 35406, 41307, 47670, 55615, 59010, 63787, 66738, 68845, 71505, 82614, 88515, 100107, 111230, 123921, 127574, 137690, 143010, 166845, 177030, 191361, 200214, 206535, 247842, 318935, 333690, 382722, 413070, 446509, 500535, 574083, 619605, 637870, 893018, 956805, 1001070, 1148166, 1239210, 1339527, 1913610, 2232545, 2679054, 2870415, 3125563, 4018581, 4465090, 5740830, 6251126, 6697635, 8037162, 9376689, 13395270, 15627815, 18753378, 20092905, 28130067, 31255630, 40185810, 46883445, 56260134, 93766890, 140650335, 281300670]

約数ペア:

[(1, 281300670), (2, 140650335), (3, 93766890), (5, 56260134), (6, 46883445), (7, 40185810), (9, 31255630), (10, 28130067), (14, 20092905), (15, 18753378), (18, 15627815), (21, 13395270), (30, 9376689), (35, 8037162), (42, 6697635), (45, 6251126), (49, 5740830), (63, 4465090), (70, 4018581), (90, 3125563), (98, 2870415), (105, 2679054), (126, 2232545), (147, 1913610), (210, 1339527), (227, 1239210), (245, 1148166), (281, 1001070), (294, 956805), (315, 893018), (441, 637870), (454, 619605), (490, 574083), (562, 500535), (630, 446509), (681, 413070), (735, 382722), (843, 333690), (882, 318935), (1135, 247842), (1362, 206535), (1405, 200214), (1470, 191361), (1589, 177030), (1686, 166845), (1967, 143010), (2043, 137690), (2205, 127574), (2270, 123921), (2529, 111230), (2810, 100107), (3178, 88515), (3405, 82614), (3934, 71505), (4086, 68845), (4215, 66738), (4410, 63787), (4767, 59010), (5058, 55615), (5901, 47670), (6810, 41307), (7945, 35406), (8430, 33369), (9534, 29505), (9835, 28602), (10215, 27538), (11123, 25290), (11802, 23835), (12645, 22246), (13769, 20430), (14301, 19670), (15890, 17703)]