311053960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{1051}}^1$

素因数の和:1227

約数の個数: 96

約数和(自身を含む): 820307520

約数和(自身を除く): 509253560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 151, 196, 245, 280, 302, 392, 490, 604, 755, 980, 1051, 1057, 1208, 1510, 1960, 2102, 2114, 3020, 4204, 4228, 5255, 5285, 6040, 7357, 7399, 8408, 8456, 10510, 10570, 14714, 14798, 21020, 21140, 29428, 29596, 36785, 36995, 42040, 42280, 51499, 58856, 59192, 73570, 73990, 102998, 147140, 147980, 158701, 205996, 257495, 294280, 295960, 317402, 411992, 514990, 634804, 793505, 1029980, 1110907, 1269608, 1587010, 2059960, 2221814, 3174020, 4443628, 5554535, 6348040, 7776349, 8887256, 11109070, 15552698, 22218140, 31105396, 38881745, 44436280, 62210792, 77763490, 155526980, 311053960]

約数ペア:

[(1, 311053960), (2, 155526980), (4, 77763490), (5, 62210792), (7, 44436280), (8, 38881745), (10, 31105396), (14, 22218140), (20, 15552698), (28, 11109070), (35, 8887256), (40, 7776349), (49, 6348040), (56, 5554535), (70, 4443628), (98, 3174020), (140, 2221814), (151, 2059960), (196, 1587010), (245, 1269608), (280, 1110907), (302, 1029980), (392, 793505), (490, 634804), (604, 514990), (755, 411992), (980, 317402), (1051, 295960), (1057, 294280), (1208, 257495), (1510, 205996), (1960, 158701), (2102, 147980), (2114, 147140), (3020, 102998), (4204, 73990), (4228, 73570), (5255, 59192), (5285, 58856), (6040, 51499), (7357, 42280), (7399, 42040), (8408, 36995), (8456, 36785), (10510, 29596), (10570, 29428), (14714, 21140), (14798, 21020)]