18187835900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{7283}}^1$

素因数の和:7440

約数の個数: 144

約数和(自身を含む): 45408281184

約数和(自身を除く): 27220445284

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 113, 130, 170, 221, 226, 260, 325, 340, 425, 442, 452, 565, 650, 850, 884, 1105, 1130, 1300, 1469, 1700, 1921, 2210, 2260, 2825, 2938, 3842, 4420, 5525, 5650, 5876, 7283, 7345, 7684, 9605, 11050, 11300, 14566, 14690, 19210, 22100, 24973, 29132, 29380, 36415, 36725, 38420, 48025, 49946, 72830, 73450, 94679, 96050, 99892, 123811, 124865, 145660, 146900, 182075, 189358, 192100, 247622, 249730, 364150, 378716, 473395, 495244, 499460, 619055, 624325, 728300, 822979, 946790, 1238110, 1248650, 1609543, 1645958, 1893580, 2366975, 2476220, 2497300, 3095275, 3219086, 3291916, 4114895, 4733950, 6190550, 6438172, 8047715, 8229790, 9467900, 10698727, 12381100, 13990643, 16095430, 16459580, 20574475, 21397454, 27981286, 32190860, 40238575, 41148950, 42794908, 53493635, 55962572, 69953215, 80477150, 82297900, 106987270, 139906430, 160954300, 181878359, 213974540, 267468175, 279812860, 349766075, 363756718, 534936350, 699532150, 727513436, 909391795, 1069872700, 1399064300, 1818783590, 3637567180, 4546958975, 9093917950, 18187835900]

約数ペア:

[(1, 18187835900), (2, 9093917950), (4, 4546958975), (5, 3637567180), (10, 1818783590), (13, 1399064300), (17, 1069872700), (20, 909391795), (25, 727513436), (26, 699532150), (34, 534936350), (50, 363756718), (52, 349766075), (65, 279812860), (68, 267468175), (85, 213974540), (100, 181878359), (113, 160954300), (130, 139906430), (170, 106987270), (221, 82297900), (226, 80477150), (260, 69953215), (325, 55962572), (340, 53493635), (425, 42794908), (442, 41148950), (452, 40238575), (565, 32190860), (650, 27981286), (850, 21397454), (884, 20574475), (1105, 16459580), (1130, 16095430), (1300, 13990643), (1469, 12381100), (1700, 10698727), (1921, 9467900), (2210, 8229790), (2260, 8047715), (2825, 6438172), (2938, 6190550), (3842, 4733950), (4420, 4114895), (5525, 3291916), (5650, 3219086), (5876, 3095275), (7283, 2497300), (7345, 2476220), (7684, 2366975), (9605, 1893580), (11050, 1645958), (11300, 1609543), (14566, 1248650), (14690, 1238110), (19210, 946790), (22100, 822979), (24973, 728300), (29132, 624325), (29380, 619055), (36415, 499460), (36725, 495244), (38420, 473395), (48025, 378716), (49946, 364150), (72830, 249730), (73450, 247622), (94679, 192100), (96050, 189358), (99892, 182075), (123811, 146900), (124865, 145660)]