140985845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1657}}^1$

素因数の和:1710

約数の個数: 64

約数和(自身を含む): 240662016

約数和(自身を除く): 99676171

約数列:

[1, 5, 7, 11, 13, 17, 35, 55, 65, 77, 85, 91, 119, 143, 187, 221, 385, 455, 595, 715, 935, 1001, 1105, 1309, 1547, 1657, 2431, 5005, 6545, 7735, 8285, 11599, 12155, 17017, 18227, 21541, 28169, 57995, 85085, 91135, 107705, 127589, 140845, 150787, 197183, 236951, 309859, 366197, 637945, 753935, 985915, 1184755, 1549295, 1658657, 1830985, 2169013, 2563379, 4028167, 8293285, 10845065, 12816895, 20140835, 28197169, 140985845]

約数ペア:

[(1, 140985845), (5, 28197169), (7, 20140835), (11, 12816895), (13, 10845065), (17, 8293285), (35, 4028167), (55, 2563379), (65, 2169013), (77, 1830985), (85, 1658657), (91, 1549295), (119, 1184755), (143, 985915), (187, 753935), (221, 637945), (385, 366197), (455, 309859), (595, 236951), (715, 197183), (935, 150787), (1001, 140845), (1105, 127589), (1309, 107705), (1547, 91135), (1657, 85085), (2431, 57995), (5005, 28169), (6545, 21541), (7735, 18227), (8285, 17017), (11599, 12155)]