201211010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20101}}^1$

素因数の和:20139

約数の個数: 64

約数和(自身を含む): 486307584

約数和(自身を除く): 285096574

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 10010, 20101, 40202, 100505, 140707, 201010, 221111, 261313, 281414, 442222, 522626, 703535, 1105555, 1306565, 1407070, 1547777, 1829191, 2211110, 2613130, 2874443, 3095554, 3658382, 5748886, 7738885, 9145955, 14372215, 15477770, 18291910, 20121101, 28744430, 40242202, 100605505, 201211010]

約数ペア:

[(1, 201211010), (2, 100605505), (5, 40242202), (7, 28744430), (10, 20121101), (11, 18291910), (13, 15477770), (14, 14372215), (22, 9145955), (26, 7738885), (35, 5748886), (55, 3658382), (65, 3095554), (70, 2874443), (77, 2613130), (91, 2211110), (110, 1829191), (130, 1547777), (143, 1407070), (154, 1306565), (182, 1105555), (286, 703535), (385, 522626), (455, 442222), (715, 281414), (770, 261313), (910, 221111), (1001, 201010), (1430, 140707), (2002, 100505), (5005, 40202), (10010, 20101)]