413244220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 916962480

約数和(自身を除く): 503718260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 278, 281, 460, 529, 556, 562, 695, 1058, 1124, 1390, 1405, 2116, 2645, 2780, 2810, 3197, 5290, 5620, 6394, 6463, 10580, 12788, 12926, 15985, 25852, 31970, 32315, 39059, 63940, 64630, 73531, 78118, 129260, 147062, 148649, 156236, 195295, 294124, 297298, 367655, 390590, 594596, 735310, 743245, 781180, 898357, 1470620, 1486490, 1796714, 2972980, 3593428, 4491785, 8983570, 17967140, 20662211, 41324422, 82648844, 103311055, 206622110, 413244220]

約数ペア:

[(1, 413244220), (2, 206622110), (4, 103311055), (5, 82648844), (10, 41324422), (20, 20662211), (23, 17967140), (46, 8983570), (92, 4491785), (115, 3593428), (139, 2972980), (230, 1796714), (278, 1486490), (281, 1470620), (460, 898357), (529, 781180), (556, 743245), (562, 735310), (695, 594596), (1058, 390590), (1124, 367655), (1390, 297298), (1405, 294124), (2116, 195295), (2645, 156236), (2780, 148649), (2810, 147062), (3197, 129260), (5290, 78118), (5620, 73531), (6394, 64630), (6463, 63940), (10580, 39059), (12788, 32315), (12926, 31970), (15985, 25852)]