313567550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{167}}^1$

素因数の和:290

約数の個数: 72

約数和(自身を含む): 634740624

約数和(自身を除く): 321173074

約数列:

[1, 2, 5, 10, 17, 25, 34, 47, 50, 85, 94, 167, 170, 235, 334, 425, 470, 799, 835, 850, 1175, 1598, 1670, 2209, 2350, 2839, 3995, 4175, 4418, 5678, 7849, 7990, 8350, 11045, 14195, 15698, 19975, 22090, 28390, 37553, 39245, 39950, 55225, 70975, 75106, 78490, 110450, 133433, 141950, 187765, 196225, 266866, 368903, 375530, 392450, 667165, 737806, 938825, 1334330, 1844515, 1877650, 3335825, 3689030, 6271351, 6671650, 9222575, 12542702, 18445150, 31356755, 62713510, 156783775, 313567550]

約数ペア:

[(1, 313567550), (2, 156783775), (5, 62713510), (10, 31356755), (17, 18445150), (25, 12542702), (34, 9222575), (47, 6671650), (50, 6271351), (85, 3689030), (94, 3335825), (167, 1877650), (170, 1844515), (235, 1334330), (334, 938825), (425, 737806), (470, 667165), (799, 392450), (835, 375530), (850, 368903), (1175, 266866), (1598, 196225), (1670, 187765), (2209, 141950), (2350, 133433), (2839, 110450), (3995, 78490), (4175, 75106), (4418, 70975), (5678, 55225), (7849, 39950), (7990, 39245), (8350, 37553), (11045, 28390), (14195, 22090), (15698, 19975)]