428901702920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7001}}^1\times {\mathrm{19387}}^1$

素因数の和:26478

約数の個数: 64

約数和(自身を含む): 977434387200

約数和(自身を除く): 548532684280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 7001, 14002, 19387, 28004, 35005, 38774, 56008, 70010, 77548, 96935, 140020, 155096, 193870, 280040, 387740, 553079, 775480, 1106158, 1531573, 2212316, 2765395, 3063146, 4424632, 5530790, 6126292, 7657865, 11061580, 12252584, 15315730, 22123160, 30631460, 61262920, 135728387, 271456774, 542913548, 678641935, 1085827096, 1357283870, 2714567740, 5429135480, 10722542573, 21445085146, 42890170292, 53612712865, 85780340584, 107225425730, 214450851460, 428901702920]

約数ペア:

[(1, 428901702920), (2, 214450851460), (4, 107225425730), (5, 85780340584), (8, 53612712865), (10, 42890170292), (20, 21445085146), (40, 10722542573), (79, 5429135480), (158, 2714567740), (316, 1357283870), (395, 1085827096), (632, 678641935), (790, 542913548), (1580, 271456774), (3160, 135728387), (7001, 61262920), (14002, 30631460), (19387, 22123160), (28004, 15315730), (35005, 12252584), (38774, 11061580), (56008, 7657865), (70010, 6126292), (77548, 5530790), (96935, 4424632), (140020, 3063146), (155096, 2765395), (193870, 2212316), (280040, 1531573), (387740, 1106158), (553079, 775480)]