100555600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 258778080

約数和(自身を除く): 158222480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 101, 131, 152, 190, 200, 202, 262, 304, 380, 400, 404, 475, 505, 524, 655, 760, 808, 950, 1010, 1048, 1310, 1520, 1616, 1900, 1919, 2020, 2096, 2489, 2525, 2620, 3275, 3800, 3838, 4040, 4978, 5050, 5240, 6550, 7600, 7676, 8080, 9595, 9956, 10100, 10480, 12445, 13100, 13231, 15352, 19190, 19912, 20200, 24890, 26200, 26462, 30704, 38380, 39824, 40400, 47975, 49780, 52400, 52924, 62225, 66155, 76760, 95950, 99560, 105848, 124450, 132310, 153520, 191900, 199120, 211696, 248900, 251389, 264620, 330775, 383800, 497800, 502778, 529240, 661550, 767600, 995600, 1005556, 1058480, 1256945, 1323100, 2011112, 2513890, 2646200, 4022224, 5027780, 5292400, 6284725, 10055560, 12569450, 20111120, 25138900, 50277800, 100555600]

約数ペア:

[(1, 100555600), (2, 50277800), (4, 25138900), (5, 20111120), (8, 12569450), (10, 10055560), (16, 6284725), (19, 5292400), (20, 5027780), (25, 4022224), (38, 2646200), (40, 2513890), (50, 2011112), (76, 1323100), (80, 1256945), (95, 1058480), (100, 1005556), (101, 995600), (131, 767600), (152, 661550), (190, 529240), (200, 502778), (202, 497800), (262, 383800), (304, 330775), (380, 264620), (400, 251389), (404, 248900), (475, 211696), (505, 199120), (524, 191900), (655, 153520), (760, 132310), (808, 124450), (950, 105848), (1010, 99560), (1048, 95950), (1310, 76760), (1520, 66155), (1616, 62225), (1900, 52924), (1919, 52400), (2020, 49780), (2096, 47975), (2489, 40400), (2525, 39824), (2620, 38380), (3275, 30704), (3800, 26462), (3838, 26200), (4040, 24890), (4978, 20200), (5050, 19912), (5240, 19190), (6550, 15352), (7600, 13231), (7676, 13100), (8080, 12445), (9595, 10480), (9956, 10100)]