205468250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 417650688

約数和(自身を除く): 212182438

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 191, 250, 325, 331, 382, 650, 662, 955, 1625, 1655, 1910, 2483, 3250, 3310, 4303, 4775, 4966, 8275, 8606, 9550, 12415, 16550, 21515, 23875, 24830, 41375, 43030, 47750, 62075, 63221, 82750, 107575, 124150, 126442, 215150, 310375, 316105, 537875, 620750, 632210, 821873, 1075750, 1580525, 1643746, 3161050, 4109365, 7902625, 8218730, 15805250, 20546825, 41093650, 102734125, 205468250]

約数ペア:

[(1, 205468250), (2, 102734125), (5, 41093650), (10, 20546825), (13, 15805250), (25, 8218730), (26, 7902625), (50, 4109365), (65, 3161050), (125, 1643746), (130, 1580525), (191, 1075750), (250, 821873), (325, 632210), (331, 620750), (382, 537875), (650, 316105), (662, 310375), (955, 215150), (1625, 126442), (1655, 124150), (1910, 107575), (2483, 82750), (3250, 63221), (3310, 62075), (4303, 47750), (4775, 43030), (4966, 41375), (8275, 24830), (8606, 23875), (9550, 21515), (12415, 16550)]