249217290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{131861}}^1$

素因数の和:131884

約数の個数: 64

約数和(自身を含む): 759525120

約数和(自身を除く): 510307830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 131861, 263722, 395583, 659305, 791166, 923027, 1186749, 1318610, 1846054, 1977915, 2373498, 2769081, 3560247, 3955830, 4615135, 5538162, 5933745, 7120494, 8307243, 9230270, 11867490, 13845405, 16614486, 17801235, 24921729, 27690810, 35602470, 41536215, 49843458, 83072430, 124608645, 249217290]

約数ペア:

[(1, 249217290), (2, 124608645), (3, 83072430), (5, 49843458), (6, 41536215), (7, 35602470), (9, 27690810), (10, 24921729), (14, 17801235), (15, 16614486), (18, 13845405), (21, 11867490), (27, 9230270), (30, 8307243), (35, 7120494), (42, 5933745), (45, 5538162), (54, 4615135), (63, 3955830), (70, 3560247), (90, 2769081), (105, 2373498), (126, 1977915), (135, 1846054), (189, 1318610), (210, 1186749), (270, 923027), (315, 791166), (378, 659305), (630, 395583), (945, 263722), (1890, 131861)]