70970620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 174953520

約数和(自身を除く): 103982900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 490, 521, 556, 695, 973, 980, 1042, 1390, 1946, 2084, 2605, 2780, 3647, 3892, 4865, 5210, 6811, 7294, 9730, 10420, 13622, 14588, 18235, 19460, 25529, 27244, 34055, 36470, 51058, 68110, 72419, 72940, 102116, 127645, 136220, 144838, 255290, 289676, 362095, 506933, 510580, 724190, 1013866, 1448380, 2027732, 2534665, 3548531, 5069330, 7097062, 10138660, 14194124, 17742655, 35485310, 70970620]

約数ペア:

[(1, 70970620), (2, 35485310), (4, 17742655), (5, 14194124), (7, 10138660), (10, 7097062), (14, 5069330), (20, 3548531), (28, 2534665), (35, 2027732), (49, 1448380), (70, 1013866), (98, 724190), (139, 510580), (140, 506933), (196, 362095), (245, 289676), (278, 255290), (490, 144838), (521, 136220), (556, 127645), (695, 102116), (973, 72940), (980, 72419), (1042, 68110), (1390, 51058), (1946, 36470), (2084, 34055), (2605, 27244), (2780, 25529), (3647, 19460), (3892, 18235), (4865, 14588), (5210, 13622), (6811, 10420), (7294, 9730)]