313767580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{907}}^1$

素因数の和:1283

約数の個数: 72

約数和(自身を含む): 769508208

約数和(自身を除く): 455740628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 353, 490, 706, 907, 980, 1412, 1765, 1814, 2471, 3530, 3628, 4535, 4942, 6349, 7060, 9070, 9884, 12355, 12698, 17297, 18140, 24710, 25396, 31745, 34594, 44443, 49420, 63490, 69188, 86485, 88886, 126980, 172970, 177772, 222215, 320171, 345940, 444430, 640342, 888860, 1280684, 1600855, 2241197, 3201710, 4482394, 6403420, 8964788, 11205985, 15688379, 22411970, 31376758, 44823940, 62753516, 78441895, 156883790, 313767580]

約数ペア:

[(1, 313767580), (2, 156883790), (4, 78441895), (5, 62753516), (7, 44823940), (10, 31376758), (14, 22411970), (20, 15688379), (28, 11205985), (35, 8964788), (49, 6403420), (70, 4482394), (98, 3201710), (140, 2241197), (196, 1600855), (245, 1280684), (353, 888860), (490, 640342), (706, 444430), (907, 345940), (980, 320171), (1412, 222215), (1765, 177772), (1814, 172970), (2471, 126980), (3530, 88886), (3628, 86485), (4535, 69188), (4942, 63490), (6349, 49420), (7060, 44443), (9070, 34594), (9884, 31745), (12355, 25396), (12698, 24710), (17297, 18140)]