206886250

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:353

約数の個数: 80

約数和(自身を含む): 422864640

約数和(自身を除く): 215978390

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 125, 155, 190, 250, 281, 310, 475, 562, 589, 625, 775, 950, 1178, 1250, 1405, 1550, 2375, 2810, 2945, 3875, 4750, 5339, 5890, 7025, 7750, 8711, 10678, 11875, 14050, 14725, 17422, 19375, 23750, 26695, 29450, 35125, 38750, 43555, 53390, 70250, 73625, 87110, 133475, 147250, 165509, 175625, 217775, 266950, 331018, 351250, 368125, 435550, 667375, 736250, 827545, 1088875, 1334750, 1655090, 2177750, 3336875, 4137725, 5444375, 6673750, 8275450, 10888750, 20688625, 41377250, 103443125, 206886250]

約数ペア:

[(1, 206886250), (2, 103443125), (5, 41377250), (10, 20688625), (19, 10888750), (25, 8275450), (31, 6673750), (38, 5444375), (50, 4137725), (62, 3336875), (95, 2177750), (125, 1655090), (155, 1334750), (190, 1088875), (250, 827545), (281, 736250), (310, 667375), (475, 435550), (562, 368125), (589, 351250), (625, 331018), (775, 266950), (950, 217775), (1178, 175625), (1250, 165509), (1405, 147250), (1550, 133475), (2375, 87110), (2810, 73625), (2945, 70250), (3875, 53390), (4750, 43555), (5339, 38750), (5890, 35125), (7025, 29450), (7750, 26695), (8711, 23750), (10678, 19375), (11875, 17422), (14050, 14725)]