205989784

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:953

約数の個数: 128

約数和(自身を含む): 537062400

約数和(自身を除く): 331072616

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 29, 44, 52, 56, 58, 77, 88, 91, 104, 116, 143, 154, 182, 203, 232, 286, 308, 319, 364, 377, 406, 572, 616, 638, 728, 754, 812, 887, 1001, 1144, 1276, 1508, 1624, 1774, 2002, 2233, 2552, 2639, 3016, 3548, 4004, 4147, 4466, 5278, 6209, 7096, 8008, 8294, 8932, 9757, 10556, 11531, 12418, 16588, 17864, 19514, 21112, 23062, 24836, 25723, 29029, 33176, 39028, 46124, 49672, 51446, 58058, 68299, 78056, 80717, 92248, 102892, 116116, 126841, 136598, 161434, 180061, 205784, 232232, 253682, 273196, 282953, 322868, 334399, 360122, 507364, 546392, 565906, 645736, 668798, 720244, 887887, 1014728, 1131812, 1337596, 1440488, 1775774, 1980671, 2263624, 2340793, 2675192, 3551548, 3678389, 3961342, 4681586, 7103096, 7356778, 7922684, 9363172, 14713556, 15845368, 18726344, 25748723, 29427112, 51497446, 102994892, 205989784]

約数ペア:

[(1, 205989784), (2, 102994892), (4, 51497446), (7, 29427112), (8, 25748723), (11, 18726344), (13, 15845368), (14, 14713556), (22, 9363172), (26, 7922684), (28, 7356778), (29, 7103096), (44, 4681586), (52, 3961342), (56, 3678389), (58, 3551548), (77, 2675192), (88, 2340793), (91, 2263624), (104, 1980671), (116, 1775774), (143, 1440488), (154, 1337596), (182, 1131812), (203, 1014728), (232, 887887), (286, 720244), (308, 668798), (319, 645736), (364, 565906), (377, 546392), (406, 507364), (572, 360122), (616, 334399), (638, 322868), (728, 282953), (754, 273196), (812, 253682), (887, 232232), (1001, 205784), (1144, 180061), (1276, 161434), (1508, 136598), (1624, 126841), (1774, 116116), (2002, 102892), (2233, 92248), (2552, 80717), (2639, 78056), (3016, 68299), (3548, 58058), (4004, 51446), (4147, 49672), (4466, 46124), (5278, 39028), (6209, 33176), (7096, 29029), (8008, 25723), (8294, 24836), (8932, 23062), (9757, 21112), (10556, 19514), (11531, 17864), (12418, 16588)]