201925000

素因数分解:

$2^3\times 5^5\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 487234440

約数和(自身を除く): 285309440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 197, 200, 205, 250, 328, 394, 410, 500, 625, 788, 820, 985, 1000, 1025, 1250, 1576, 1640, 1970, 2050, 2500, 3125, 3940, 4100, 4925, 5000, 5125, 6250, 7880, 8077, 8200, 9850, 10250, 12500, 16154, 19700, 20500, 24625, 25000, 25625, 32308, 39400, 40385, 41000, 49250, 51250, 64616, 80770, 98500, 102500, 123125, 128125, 161540, 197000, 201925, 205000, 246250, 256250, 323080, 403850, 492500, 512500, 615625, 807700, 985000, 1009625, 1025000, 1231250, 1615400, 2019250, 2462500, 4038500, 4925000, 5048125, 8077000, 10096250, 20192500, 25240625, 40385000, 50481250, 100962500, 201925000]

約数ペア:

[(1, 201925000), (2, 100962500), (4, 50481250), (5, 40385000), (8, 25240625), (10, 20192500), (20, 10096250), (25, 8077000), (40, 5048125), (41, 4925000), (50, 4038500), (82, 2462500), (100, 2019250), (125, 1615400), (164, 1231250), (197, 1025000), (200, 1009625), (205, 985000), (250, 807700), (328, 615625), (394, 512500), (410, 492500), (500, 403850), (625, 323080), (788, 256250), (820, 246250), (985, 205000), (1000, 201925), (1025, 197000), (1250, 161540), (1576, 128125), (1640, 123125), (1970, 102500), (2050, 98500), (2500, 80770), (3125, 64616), (3940, 51250), (4100, 49250), (4925, 41000), (5000, 40385), (5125, 39400), (6250, 32308), (7880, 25625), (8077, 25000), (8200, 24625), (9850, 20500), (10250, 19700), (12500, 16154)]