201788125

素因数分解:

$5^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{599}}^1$

素因数の和:644

約数の個数: 60

約数和(自身を含む): 320522400

約数和(自身を除く): 118734275

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 125, 175, 245, 275, 385, 539, 599, 625, 875, 1225, 1375, 1925, 2695, 2995, 4193, 4375, 6125, 6589, 6875, 9625, 13475, 14975, 20965, 29351, 30625, 32945, 46123, 48125, 67375, 74875, 104825, 146755, 164725, 230615, 322861, 336875, 374375, 524125, 733775, 823625, 1153075, 1614305, 2620625, 3668875, 4118125, 5765375, 8071525, 18344375, 28826875, 40357625, 201788125]

約数ペア:

[(1, 201788125), (5, 40357625), (7, 28826875), (11, 18344375), (25, 8071525), (35, 5765375), (49, 4118125), (55, 3668875), (77, 2620625), (125, 1614305), (175, 1153075), (245, 823625), (275, 733775), (385, 524125), (539, 374375), (599, 336875), (625, 322861), (875, 230615), (1225, 164725), (1375, 146755), (1925, 104825), (2695, 74875), (2995, 67375), (4193, 48125), (4375, 46123), (6125, 32945), (6589, 30625), (6875, 29351), (9625, 20965), (13475, 14975)]