87942820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{3631}}^1$

素因数の和:3820

約数の個数: 48

約数和(自身を含む): 212341248

約数和(自身を除く): 124398428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 3460, 3631, 4844, 6055, 7262, 12110, 14524, 18155, 24220, 25417, 36310, 50834, 72620, 101668, 127085, 254170, 508340, 628163, 1256326, 2512652, 3140815, 4397141, 6281630, 8794282, 12563260, 17588564, 21985705, 43971410, 87942820]

約数ペア:

[(1, 87942820), (2, 43971410), (4, 21985705), (5, 17588564), (7, 12563260), (10, 8794282), (14, 6281630), (20, 4397141), (28, 3140815), (35, 2512652), (70, 1256326), (140, 628163), (173, 508340), (346, 254170), (692, 127085), (865, 101668), (1211, 72620), (1730, 50834), (2422, 36310), (3460, 25417), (3631, 24220), (4844, 18155), (6055, 14524), (7262, 12110)]