280808836

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:701

約数の個数: 96

約数和(自身を含む): 645652224

約数和(自身を除く): 364843388

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 41, 44, 74, 77, 82, 148, 154, 164, 259, 287, 308, 407, 451, 518, 574, 601, 814, 902, 1036, 1148, 1202, 1517, 1628, 1804, 2404, 2849, 3034, 3157, 4207, 5698, 6068, 6314, 6611, 8414, 10619, 11396, 12628, 13222, 16687, 16828, 21238, 22237, 24641, 26444, 33374, 42476, 44474, 46277, 49282, 66748, 88948, 92554, 98564, 116809, 155659, 172487, 185108, 233618, 244607, 271051, 311318, 344974, 467236, 489214, 542102, 622636, 689948, 911717, 978428, 1084204, 1712249, 1823434, 1897357, 3424498, 3646868, 3794714, 6382019, 6848996, 7589428, 10028887, 12764038, 20057774, 25528076, 40115548, 70202209, 140404418, 280808836]

約数ペア:

[(1, 280808836), (2, 140404418), (4, 70202209), (7, 40115548), (11, 25528076), (14, 20057774), (22, 12764038), (28, 10028887), (37, 7589428), (41, 6848996), (44, 6382019), (74, 3794714), (77, 3646868), (82, 3424498), (148, 1897357), (154, 1823434), (164, 1712249), (259, 1084204), (287, 978428), (308, 911717), (407, 689948), (451, 622636), (518, 542102), (574, 489214), (601, 467236), (814, 344974), (902, 311318), (1036, 271051), (1148, 244607), (1202, 233618), (1517, 185108), (1628, 172487), (1804, 155659), (2404, 116809), (2849, 98564), (3034, 92554), (3157, 88948), (4207, 66748), (5698, 49282), (6068, 46277), (6314, 44474), (6611, 42476), (8414, 33374), (10619, 26444), (11396, 24641), (12628, 22237), (13222, 21238), (16687, 16828)]