86859550

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 165726000

約数和(自身を除く): 78866450

約数列:

[1, 2, 5, 10, 25, 50, 89, 131, 149, 178, 262, 298, 445, 655, 745, 890, 1310, 1490, 2225, 3275, 3725, 4450, 6550, 7450, 11659, 13261, 19519, 23318, 26522, 39038, 58295, 66305, 97595, 116590, 132610, 195190, 291475, 331525, 487975, 582950, 663050, 975950, 1737191, 3474382, 8685955, 17371910, 43429775, 86859550]

約数ペア:

[(1, 86859550), (2, 43429775), (5, 17371910), (10, 8685955), (25, 3474382), (50, 1737191), (89, 975950), (131, 663050), (149, 582950), (178, 487975), (262, 331525), (298, 291475), (445, 195190), (655, 132610), (745, 116590), (890, 97595), (1310, 66305), (1490, 58295), (2225, 39038), (3275, 26522), (3725, 23318), (4450, 19519), (6550, 13261), (7450, 11659)]