209727540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1451}}^1$

素因数の和:1550

約数の個数: 144

約数和(自身を含む): 703999296

約数和(自身を除く): 494271756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 73, 90, 99, 110, 132, 146, 165, 180, 198, 219, 220, 292, 330, 365, 396, 438, 495, 657, 660, 730, 803, 876, 990, 1095, 1314, 1451, 1460, 1606, 1980, 2190, 2409, 2628, 2902, 3212, 3285, 4015, 4353, 4380, 4818, 5804, 6570, 7227, 7255, 8030, 8706, 9636, 12045, 13059, 13140, 14454, 14510, 15961, 16060, 17412, 21765, 24090, 26118, 28908, 29020, 31922, 36135, 43530, 47883, 48180, 52236, 63844, 65295, 72270, 79805, 87060, 95766, 105923, 130590, 143649, 144540, 159610, 191532, 211846, 239415, 261180, 287298, 317769, 319220, 423692, 478830, 529615, 574596, 635538, 718245, 953307, 957660, 1059230, 1165153, 1271076, 1436490, 1588845, 1906614, 2118460, 2330306, 2872980, 3177690, 3495459, 3813228, 4660612, 4766535, 5825765, 6355380, 6990918, 9533070, 10486377, 11651530, 13981836, 17477295, 19066140, 20972754, 23303060, 34954590, 41945508, 52431885, 69909180, 104863770, 209727540]

約数ペア:

[(1, 209727540), (2, 104863770), (3, 69909180), (4, 52431885), (5, 41945508), (6, 34954590), (9, 23303060), (10, 20972754), (11, 19066140), (12, 17477295), (15, 13981836), (18, 11651530), (20, 10486377), (22, 9533070), (30, 6990918), (33, 6355380), (36, 5825765), (44, 4766535), (45, 4660612), (55, 3813228), (60, 3495459), (66, 3177690), (73, 2872980), (90, 2330306), (99, 2118460), (110, 1906614), (132, 1588845), (146, 1436490), (165, 1271076), (180, 1165153), (198, 1059230), (219, 957660), (220, 953307), (292, 718245), (330, 635538), (365, 574596), (396, 529615), (438, 478830), (495, 423692), (657, 319220), (660, 317769), (730, 287298), (803, 261180), (876, 239415), (990, 211846), (1095, 191532), (1314, 159610), (1451, 144540), (1460, 143649), (1606, 130590), (1980, 105923), (2190, 95766), (2409, 87060), (2628, 79805), (2902, 72270), (3212, 65295), (3285, 63844), (4015, 52236), (4353, 48180), (4380, 47883), (4818, 43530), (5804, 36135), (6570, 31922), (7227, 29020), (7255, 28908), (8030, 26118), (8706, 24090), (9636, 21765), (12045, 17412), (13059, 16060), (13140, 15961), (14454, 14510)]