425862640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5471}}^1$

素因数の和:5630

約数の個数: 80

約数和(自身を含む): 1139927040

約数和(自身を除く): 714064400

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, 1112, 1390, 1946, 2224, 2780, 3892, 4865, 5471, 5560, 7784, 9730, 10942, 11120, 15568, 19460, 21884, 27355, 38297, 38920, 43768, 54710, 76594, 77840, 87536, 109420, 153188, 191485, 218840, 306376, 382970, 437680, 612752, 760469, 765940, 1520938, 1531880, 3041876, 3063760, 3802345, 5323283, 6083752, 7604690, 10646566, 12167504, 15209380, 21293132, 26616415, 30418760, 42586264, 53232830, 60837520, 85172528, 106465660, 212931320, 425862640]

約数ペア:

[(1, 425862640), (2, 212931320), (4, 106465660), (5, 85172528), (7, 60837520), (8, 53232830), (10, 42586264), (14, 30418760), (16, 26616415), (20, 21293132), (28, 15209380), (35, 12167504), (40, 10646566), (56, 7604690), (70, 6083752), (80, 5323283), (112, 3802345), (139, 3063760), (140, 3041876), (278, 1531880), (280, 1520938), (556, 765940), (560, 760469), (695, 612752), (973, 437680), (1112, 382970), (1390, 306376), (1946, 218840), (2224, 191485), (2780, 153188), (3892, 109420), (4865, 87536), (5471, 77840), (5560, 76594), (7784, 54710), (9730, 43768), (10942, 38920), (11120, 38297), (15568, 27355), (19460, 21884)]