201243280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21139}}^1$

素因数の和:21176

約数の個数: 80

約数和(自身を含む): 566213760

約数和(自身を除く): 364970480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 21139, 42278, 84556, 105695, 147973, 169112, 211390, 295946, 338224, 359363, 422780, 591892, 718726, 739865, 845560, 1183784, 1437452, 1479730, 1691120, 1796815, 2367568, 2515541, 2874904, 2959460, 3593630, 5031082, 5749808, 5918920, 7187260, 10062164, 11837840, 12577705, 14374520, 20124328, 25155410, 28749040, 40248656, 50310820, 100621640, 201243280]

約数ペア:

[(1, 201243280), (2, 100621640), (4, 50310820), (5, 40248656), (7, 28749040), (8, 25155410), (10, 20124328), (14, 14374520), (16, 12577705), (17, 11837840), (20, 10062164), (28, 7187260), (34, 5918920), (35, 5749808), (40, 5031082), (56, 3593630), (68, 2959460), (70, 2874904), (80, 2515541), (85, 2367568), (112, 1796815), (119, 1691120), (136, 1479730), (140, 1437452), (170, 1183784), (238, 845560), (272, 739865), (280, 718726), (340, 591892), (476, 422780), (560, 359363), (595, 338224), (680, 295946), (952, 211390), (1190, 169112), (1360, 147973), (1904, 105695), (2380, 84556), (4760, 42278), (9520, 21139)]