381640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:94

約数の個数: 64

約数和(自身を含む): 1036800

約数和(自身を除く): 655160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 47, 56, 58, 70, 94, 116, 140, 145, 188, 203, 232, 235, 280, 290, 329, 376, 406, 470, 580, 658, 812, 940, 1015, 1160, 1316, 1363, 1624, 1645, 1880, 2030, 2632, 2726, 3290, 4060, 5452, 6580, 6815, 8120, 9541, 10904, 13160, 13630, 19082, 27260, 38164, 47705, 54520, 76328, 95410, 190820, 381640]

約数ペア:

[(1, 381640), (2, 190820), (4, 95410), (5, 76328), (7, 54520), (8, 47705), (10, 38164), (14, 27260), (20, 19082), (28, 13630), (29, 13160), (35, 10904), (40, 9541), (47, 8120), (56, 6815), (58, 6580), (70, 5452), (94, 4060), (116, 3290), (140, 2726), (145, 2632), (188, 2030), (203, 1880), (232, 1645), (235, 1624), (280, 1363), (290, 1316), (329, 1160), (376, 1015), (406, 940), (470, 812), (580, 658)]