284200540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{1789}}^1$

素因数の和:1871

約数の個数: 72

約数和(自身を含む): 660381120

約数和(自身を除く): 376180580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 169, 188, 235, 260, 338, 470, 611, 676, 845, 940, 1222, 1690, 1789, 2444, 3055, 3380, 3578, 6110, 7156, 7943, 8945, 12220, 15886, 17890, 23257, 31772, 35780, 39715, 46514, 79430, 84083, 93028, 116285, 158860, 168166, 232570, 302341, 336332, 420415, 465140, 604682, 840830, 1093079, 1209364, 1511705, 1681660, 2186158, 3023410, 4372316, 5465395, 6046820, 10930790, 14210027, 21861580, 28420054, 56840108, 71050135, 142100270, 284200540]

約数ペア:

[(1, 284200540), (2, 142100270), (4, 71050135), (5, 56840108), (10, 28420054), (13, 21861580), (20, 14210027), (26, 10930790), (47, 6046820), (52, 5465395), (65, 4372316), (94, 3023410), (130, 2186158), (169, 1681660), (188, 1511705), (235, 1209364), (260, 1093079), (338, 840830), (470, 604682), (611, 465140), (676, 420415), (845, 336332), (940, 302341), (1222, 232570), (1690, 168166), (1789, 158860), (2444, 116285), (3055, 93028), (3380, 84083), (3578, 79430), (6110, 46514), (7156, 39715), (7943, 35780), (8945, 31772), (12220, 23257), (15886, 17890)]