77374990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 192595968

約数和(自身を除く): 115220978

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 23, 34, 35, 46, 55, 70, 77, 85, 110, 115, 119, 154, 161, 170, 187, 230, 238, 253, 257, 322, 374, 385, 391, 506, 514, 595, 770, 782, 805, 935, 1190, 1265, 1285, 1309, 1610, 1771, 1799, 1870, 1955, 2530, 2570, 2618, 2737, 2827, 3542, 3598, 3910, 4301, 4369, 5474, 5654, 5911, 6545, 8602, 8738, 8855, 8995, 11822, 13090, 13685, 14135, 17710, 17990, 19789, 21505, 21845, 27370, 28270, 29555, 30107, 30583, 39578, 41377, 43010, 43690, 48059, 59110, 60214, 61166, 65021, 82754, 96118, 98945, 100487, 130042, 150535, 152915, 197890, 200974, 206885, 240295, 301070, 305830, 325105, 336413, 413770, 455147, 480590, 502435, 650210, 672826, 703409, 910294, 1004870, 1105357, 1406818, 1682065, 2210714, 2275735, 3364130, 3517045, 4551470, 5526785, 7034090, 7737499, 11053570, 15474998, 38687495, 77374990]

約数ペア:

[(1, 77374990), (2, 38687495), (5, 15474998), (7, 11053570), (10, 7737499), (11, 7034090), (14, 5526785), (17, 4551470), (22, 3517045), (23, 3364130), (34, 2275735), (35, 2210714), (46, 1682065), (55, 1406818), (70, 1105357), (77, 1004870), (85, 910294), (110, 703409), (115, 672826), (119, 650210), (154, 502435), (161, 480590), (170, 455147), (187, 413770), (230, 336413), (238, 325105), (253, 305830), (257, 301070), (322, 240295), (374, 206885), (385, 200974), (391, 197890), (506, 152915), (514, 150535), (595, 130042), (770, 100487), (782, 98945), (805, 96118), (935, 82754), (1190, 65021), (1265, 61166), (1285, 60214), (1309, 59110), (1610, 48059), (1771, 43690), (1799, 43010), (1870, 41377), (1955, 39578), (2530, 30583), (2570, 30107), (2618, 29555), (2737, 28270), (2827, 27370), (3542, 21845), (3598, 21505), (3910, 19789), (4301, 17990), (4369, 17710), (5474, 14135), (5654, 13685), (5911, 13090), (6545, 11822), (8602, 8995), (8738, 8855)]