139402820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{773}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 299593728

約数和(自身を除く): 160190908

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 254, 284, 355, 508, 635, 710, 773, 1270, 1420, 1546, 2540, 3092, 3865, 7730, 9017, 15460, 18034, 36068, 45085, 54883, 90170, 98171, 109766, 180340, 196342, 219532, 274415, 392684, 490855, 548830, 981710, 1097660, 1963420, 6970141, 13940282, 27880564, 34850705, 69701410, 139402820]

約数ペア:

[(1, 139402820), (2, 69701410), (4, 34850705), (5, 27880564), (10, 13940282), (20, 6970141), (71, 1963420), (127, 1097660), (142, 981710), (254, 548830), (284, 490855), (355, 392684), (508, 274415), (635, 219532), (710, 196342), (773, 180340), (1270, 109766), (1420, 98171), (1546, 90170), (2540, 54883), (3092, 45085), (3865, 36068), (7730, 18034), (9017, 15460)]