208793375

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{661}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 314773056

約数和(自身を除く): 105979681

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 361, 475, 661, 665, 875, 1805, 2375, 2527, 3305, 3325, 4627, 9025, 12559, 12635, 16525, 16625, 23135, 45125, 62795, 63175, 82625, 87913, 115675, 238621, 313975, 315875, 439565, 578375, 1193105, 1569875, 1670347, 2197825, 5965525, 8351735, 10989125, 29827625, 41758675, 208793375]

約数ペア:

[(1, 208793375), (5, 41758675), (7, 29827625), (19, 10989125), (25, 8351735), (35, 5965525), (95, 2197825), (125, 1670347), (133, 1569875), (175, 1193105), (361, 578375), (475, 439565), (661, 315875), (665, 313975), (875, 238621), (1805, 115675), (2375, 87913), (2527, 82625), (3305, 63175), (3325, 62795), (4627, 45125), (9025, 23135), (12559, 16625), (12635, 16525)]