9090990125

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:376

約数の個数: 128

約数和(自身を含む): 14339939328

約数和(自身を除く): 5248949203

約数列:

[1, 5, 7, 17, 25, 35, 43, 61, 85, 119, 125, 175, 215, 233, 301, 305, 425, 427, 595, 731, 875, 1037, 1075, 1165, 1505, 1525, 1631, 2125, 2135, 2623, 2975, 3655, 3961, 5117, 5185, 5375, 5825, 7259, 7525, 7625, 8155, 10019, 10675, 13115, 14213, 14875, 18275, 18361, 19805, 25585, 25925, 27727, 29125, 36295, 37625, 40775, 44591, 50095, 53375, 65575, 70133, 71065, 91375, 91805, 99025, 99491, 127925, 129625, 138635, 170323, 181475, 203875, 222955, 241621, 250475, 312137, 327875, 350665, 355325, 459025, 495125, 497455, 611159, 639625, 693175, 851615, 907375, 1114775, 1192261, 1208105, 1252375, 1560685, 1691347, 1753325, 1776625, 2295125, 2487275, 3055795, 3465875, 4258075, 4278113, 5573875, 5961305, 6040525, 7803425, 8456735, 8766625, 10389703, 12436375, 15278975, 21290375, 21390565, 29806525, 30202625, 39017125, 42283675, 51948515, 72727921, 76394875, 106952825, 149032625, 211418375, 259742575, 363639605, 534764125, 1298712875, 1818198025, 9090990125]

約数ペア:

[(1, 9090990125), (5, 1818198025), (7, 1298712875), (17, 534764125), (25, 363639605), (35, 259742575), (43, 211418375), (61, 149032625), (85, 106952825), (119, 76394875), (125, 72727921), (175, 51948515), (215, 42283675), (233, 39017125), (301, 30202625), (305, 29806525), (425, 21390565), (427, 21290375), (595, 15278975), (731, 12436375), (875, 10389703), (1037, 8766625), (1075, 8456735), (1165, 7803425), (1505, 6040525), (1525, 5961305), (1631, 5573875), (2125, 4278113), (2135, 4258075), (2623, 3465875), (2975, 3055795), (3655, 2487275), (3961, 2295125), (5117, 1776625), (5185, 1753325), (5375, 1691347), (5825, 1560685), (7259, 1252375), (7525, 1208105), (7625, 1192261), (8155, 1114775), (10019, 907375), (10675, 851615), (13115, 693175), (14213, 639625), (14875, 611159), (18275, 497455), (18361, 495125), (19805, 459025), (25585, 355325), (25925, 350665), (27727, 327875), (29125, 312137), (36295, 250475), (37625, 241621), (40775, 222955), (44591, 203875), (50095, 181475), (53375, 170323), (65575, 138635), (70133, 129625), (71065, 127925), (91375, 99491), (91805, 99025)]