85390480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1097}}^1$

素因数の和:1256

約数の個数: 80

約数和(自身を含む): 228735360

約数和(自身を除く): 143344880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1097, 1112, 1390, 1946, 2194, 2224, 2780, 3892, 4388, 4865, 5485, 5560, 7679, 7784, 8776, 9730, 10970, 11120, 15358, 15568, 17552, 19460, 21940, 30716, 38395, 38920, 43880, 61432, 76790, 77840, 87760, 122864, 152483, 153580, 304966, 307160, 609932, 614320, 762415, 1067381, 1219864, 1524830, 2134762, 2439728, 3049660, 4269524, 5336905, 6099320, 8539048, 10673810, 12198640, 17078096, 21347620, 42695240, 85390480]

約数ペア:

[(1, 85390480), (2, 42695240), (4, 21347620), (5, 17078096), (7, 12198640), (8, 10673810), (10, 8539048), (14, 6099320), (16, 5336905), (20, 4269524), (28, 3049660), (35, 2439728), (40, 2134762), (56, 1524830), (70, 1219864), (80, 1067381), (112, 762415), (139, 614320), (140, 609932), (278, 307160), (280, 304966), (556, 153580), (560, 152483), (695, 122864), (973, 87760), (1097, 77840), (1112, 76790), (1390, 61432), (1946, 43880), (2194, 38920), (2224, 38395), (2780, 30716), (3892, 21940), (4388, 19460), (4865, 17552), (5485, 15568), (5560, 15358), (7679, 11120), (7784, 10970), (8776, 9730)]