42695240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1097}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 110678400

約数和(自身を除く): 67983160

約数列:

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

約数ペア:

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