1919547280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{110573}}^1$

素因数の和:110624

約数の個数: 80

約数和(自身を含む): 5265091584

約数和(自身を除く): 3345544304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 110573, 221146, 442292, 552865, 774011, 884584, 1105730, 1548022, 1769168, 2211460, 3096044, 3427763, 3870055, 4422920, 6192088, 6855526, 7740110, 8845840, 12384176, 13711052, 15480220, 17138815, 23994341, 27422104, 30960440, 34277630, 47988682, 54844208, 61920880, 68555260, 95977364, 119971705, 137110520, 191954728, 239943410, 274221040, 383909456, 479886820, 959773640, 1919547280]

約数ペア:

[(1, 1919547280), (2, 959773640), (4, 479886820), (5, 383909456), (7, 274221040), (8, 239943410), (10, 191954728), (14, 137110520), (16, 119971705), (20, 95977364), (28, 68555260), (31, 61920880), (35, 54844208), (40, 47988682), (56, 34277630), (62, 30960440), (70, 27422104), (80, 23994341), (112, 17138815), (124, 15480220), (140, 13711052), (155, 12384176), (217, 8845840), (248, 7740110), (280, 6855526), (310, 6192088), (434, 4422920), (496, 3870055), (560, 3427763), (620, 3096044), (868, 2211460), (1085, 1769168), (1240, 1548022), (1736, 1105730), (2170, 884584), (2480, 774011), (3472, 552865), (4340, 442292), (8680, 221146), (17360, 110573)]