279969712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2887}}^1$

素因数の和:2954

約数の個数: 80

約数和(自身を含む): 644601600

約数和(自身を除く): 364631888

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 29, 38, 44, 58, 76, 88, 116, 152, 176, 209, 232, 304, 319, 418, 464, 551, 638, 836, 1102, 1276, 1672, 2204, 2552, 2887, 3344, 4408, 5104, 5774, 6061, 8816, 11548, 12122, 23096, 24244, 31757, 46192, 48488, 54853, 63514, 83723, 96976, 109706, 127028, 167446, 219412, 254056, 334892, 438824, 508112, 603383, 669784, 877648, 920953, 1206766, 1339568, 1590737, 1841906, 2413532, 3181474, 3683812, 4827064, 6362948, 7367624, 9654128, 12725896, 14735248, 17498107, 25451792, 34996214, 69992428, 139984856, 279969712]

約数ペア:

[(1, 279969712), (2, 139984856), (4, 69992428), (8, 34996214), (11, 25451792), (16, 17498107), (19, 14735248), (22, 12725896), (29, 9654128), (38, 7367624), (44, 6362948), (58, 4827064), (76, 3683812), (88, 3181474), (116, 2413532), (152, 1841906), (176, 1590737), (209, 1339568), (232, 1206766), (304, 920953), (319, 877648), (418, 669784), (464, 603383), (551, 508112), (638, 438824), (836, 334892), (1102, 254056), (1276, 219412), (1672, 167446), (2204, 127028), (2552, 109706), (2887, 96976), (3344, 83723), (4408, 63514), (5104, 54853), (5774, 48488), (6061, 46192), (8816, 31757), (11548, 24244), (12122, 23096)]