18478079375

素因数分解:

$5^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1378

約数の個数: 80

約数和(自身を含む): 27341647872

約数和(自身を除く): 8863568497

約数列:

[1, 5, 7, 25, 35, 47, 73, 125, 175, 235, 329, 365, 511, 625, 875, 1175, 1231, 1645, 1825, 2555, 3431, 4375, 5875, 6155, 8225, 8617, 9125, 12775, 17155, 24017, 29375, 30775, 41125, 43085, 45625, 57857, 63875, 85775, 89863, 120085, 153875, 205625, 215425, 289285, 319375, 404999, 428875, 449315, 600425, 629041, 769375, 1077125, 1446425, 2024995, 2144375, 2246575, 3002125, 3145205, 4223561, 5385625, 7232125, 10124975, 11232875, 15010625, 15726025, 21117805, 29564927, 36160625, 50624875, 56164375, 78630125, 105589025, 147824635, 253124375, 393150625, 527945125, 739123175, 2639725625, 3695615875, 18478079375]

約数ペア:

[(1, 18478079375), (5, 3695615875), (7, 2639725625), (25, 739123175), (35, 527945125), (47, 393150625), (73, 253124375), (125, 147824635), (175, 105589025), (235, 78630125), (329, 56164375), (365, 50624875), (511, 36160625), (625, 29564927), (875, 21117805), (1175, 15726025), (1231, 15010625), (1645, 11232875), (1825, 10124975), (2555, 7232125), (3431, 5385625), (4375, 4223561), (5875, 3145205), (6155, 3002125), (8225, 2246575), (8617, 2144375), (9125, 2024995), (12775, 1446425), (17155, 1077125), (24017, 769375), (29375, 629041), (30775, 600425), (41125, 449315), (43085, 428875), (45625, 404999), (57857, 319375), (63875, 289285), (85775, 215425), (89863, 205625), (120085, 153875)]