217992390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:435

約数の個数: 192

約数和(自身を含む): 687633408

約数和(自身を除く): 469641018

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 23, 30, 33, 35, 42, 46, 55, 66, 69, 70, 77, 105, 110, 115, 121, 138, 154, 161, 165, 210, 230, 231, 242, 253, 322, 330, 345, 363, 373, 385, 462, 483, 506, 605, 690, 726, 746, 759, 770, 805, 847, 966, 1119, 1155, 1210, 1265, 1518, 1610, 1694, 1771, 1815, 1865, 2238, 2310, 2415, 2530, 2541, 2611, 2783, 3542, 3630, 3730, 3795, 4103, 4235, 4830, 5082, 5222, 5313, 5566, 5595, 7590, 7833, 8206, 8349, 8470, 8579, 8855, 10626, 11190, 12309, 12705, 13055, 13915, 15666, 16698, 17158, 17710, 19481, 20515, 24618, 25410, 25737, 26110, 26565, 27830, 28721, 38962, 39165, 41030, 41745, 42895, 45133, 51474, 53130, 57442, 58443, 60053, 61545, 78330, 83490, 85790, 86163, 90266, 94369, 97405, 116886, 120106, 123090, 128685, 135399, 143605, 172326, 180159, 188738, 194810, 225665, 257370, 270798, 283107, 287210, 292215, 300265, 315931, 360318, 430815, 451330, 471845, 566214, 584430, 600530, 631862, 660583, 676995, 861630, 900795, 943690, 947793, 1038059, 1321166, 1353990, 1415535, 1579655, 1801590, 1895586, 1981749, 2076118, 2831070, 3114177, 3159310, 3302915, 3963498, 4738965, 5190295, 6228354, 6605830, 7266413, 9477930, 9908745, 10380590, 14532826, 15570885, 19817490, 21799239, 31141770, 36332065, 43598478, 72664130, 108996195, 217992390]

約数ペア:

[(1, 217992390), (2, 108996195), (3, 72664130), (5, 43598478), (6, 36332065), (7, 31141770), (10, 21799239), (11, 19817490), (14, 15570885), (15, 14532826), (21, 10380590), (22, 9908745), (23, 9477930), (30, 7266413), (33, 6605830), (35, 6228354), (42, 5190295), (46, 4738965), (55, 3963498), (66, 3302915), (69, 3159310), (70, 3114177), (77, 2831070), (105, 2076118), (110, 1981749), (115, 1895586), (121, 1801590), (138, 1579655), (154, 1415535), (161, 1353990), (165, 1321166), (210, 1038059), (230, 947793), (231, 943690), (242, 900795), (253, 861630), (322, 676995), (330, 660583), (345, 631862), (363, 600530), (373, 584430), (385, 566214), (462, 471845), (483, 451330), (506, 430815), (605, 360318), (690, 315931), (726, 300265), (746, 292215), (759, 287210), (770, 283107), (805, 270798), (847, 257370), (966, 225665), (1119, 194810), (1155, 188738), (1210, 180159), (1265, 172326), (1518, 143605), (1610, 135399), (1694, 128685), (1771, 123090), (1815, 120106), (1865, 116886), (2238, 97405), (2310, 94369), (2415, 90266), (2530, 86163), (2541, 85790), (2611, 83490), (2783, 78330), (3542, 61545), (3630, 60053), (3730, 58443), (3795, 57442), (4103, 53130), (4235, 51474), (4830, 45133), (5082, 42895), (5222, 41745), (5313, 41030), (5566, 39165), (5595, 38962), (7590, 28721), (7833, 27830), (8206, 26565), (8349, 26110), (8470, 25737), (8579, 25410), (8855, 24618), (10626, 20515), (11190, 19481), (12309, 17710), (12705, 17158), (13055, 16698), (13915, 15666)]