1749286980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1388323}}^1$

素因数の和:1388345

約数の個数: 72

約数和(自身を含む): 6064199232

約数和(自身を除く): 4314912252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1388323, 2776646, 4164969, 5553292, 6941615, 8329938, 9718261, 12494907, 13883230, 16659876, 19436522, 20824845, 24989814, 27766460, 29154783, 38873044, 41649690, 48591305, 49979628, 58309566, 62474535, 83299380, 87464349, 97182610, 116619132, 124949070, 145773915, 174928698, 194365220, 249898140, 291547830, 349857396, 437321745, 583095660, 874643490, 1749286980]

約数ペア:

[(1, 1749286980), (2, 874643490), (3, 583095660), (4, 437321745), (5, 349857396), (6, 291547830), (7, 249898140), (9, 194365220), (10, 174928698), (12, 145773915), (14, 124949070), (15, 116619132), (18, 97182610), (20, 87464349), (21, 83299380), (28, 62474535), (30, 58309566), (35, 49979628), (36, 48591305), (42, 41649690), (45, 38873044), (60, 29154783), (63, 27766460), (70, 24989814), (84, 20824845), (90, 19436522), (105, 16659876), (126, 13883230), (140, 12494907), (180, 9718261), (210, 8329938), (252, 6941615), (315, 5553292), (420, 4164969), (630, 2776646), (1260, 1388323)]