28411250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:237

約数の個数: 80

約数和(自身を含む): 64779264

約数和(自身を除く): 36368014

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 125, 170, 175, 191, 238, 250, 350, 382, 425, 595, 625, 850, 875, 955, 1190, 1250, 1337, 1750, 1910, 2125, 2674, 2975, 3247, 4250, 4375, 4775, 5950, 6494, 6685, 8750, 9550, 10625, 13370, 14875, 16235, 21250, 22729, 23875, 29750, 32470, 33425, 45458, 47750, 66850, 74375, 81175, 113645, 119375, 148750, 162350, 167125, 227290, 238750, 334250, 405875, 568225, 811750, 835625, 1136450, 1671250, 2029375, 2841125, 4058750, 5682250, 14205625, 28411250]

約数ペア:

[(1, 28411250), (2, 14205625), (5, 5682250), (7, 4058750), (10, 2841125), (14, 2029375), (17, 1671250), (25, 1136450), (34, 835625), (35, 811750), (50, 568225), (70, 405875), (85, 334250), (119, 238750), (125, 227290), (170, 167125), (175, 162350), (191, 148750), (238, 119375), (250, 113645), (350, 81175), (382, 74375), (425, 66850), (595, 47750), (625, 45458), (850, 33425), (875, 32470), (955, 29750), (1190, 23875), (1250, 22729), (1337, 21250), (1750, 16235), (1910, 14875), (2125, 13370), (2674, 10625), (2975, 9550), (3247, 8750), (4250, 6685), (4375, 6494), (4775, 5950)]