12582220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 31658256

約数和(自身を除く): 19076036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 347, 370, 490, 518, 694, 740, 980, 1036, 1295, 1388, 1735, 1813, 2429, 2590, 3470, 3626, 4858, 5180, 6940, 7252, 9065, 9716, 12145, 12839, 17003, 18130, 24290, 25678, 34006, 36260, 48580, 51356, 64195, 68012, 85015, 89873, 128390, 170030, 179746, 256780, 340060, 359492, 449365, 629111, 898730, 1258222, 1797460, 2516444, 3145555, 6291110, 12582220]

約数ペア:

[(1, 12582220), (2, 6291110), (4, 3145555), (5, 2516444), (7, 1797460), (10, 1258222), (14, 898730), (20, 629111), (28, 449365), (35, 359492), (37, 340060), (49, 256780), (70, 179746), (74, 170030), (98, 128390), (140, 89873), (148, 85015), (185, 68012), (196, 64195), (245, 51356), (259, 48580), (347, 36260), (370, 34006), (490, 25678), (518, 24290), (694, 18130), (740, 17003), (980, 12839), (1036, 12145), (1295, 9716), (1388, 9065), (1735, 7252), (1813, 6940), (2429, 5180), (2590, 4858), (3470, 3626)]