310075640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 832204800

約数和(自身を除く): 522129160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 139, 140, 155, 217, 248, 257, 278, 280, 310, 434, 514, 556, 620, 695, 868, 973, 1028, 1085, 1112, 1240, 1285, 1390, 1736, 1799, 1946, 2056, 2170, 2570, 2780, 3598, 3892, 4309, 4340, 4865, 5140, 5560, 7196, 7784, 7967, 8618, 8680, 8995, 9730, 10280, 14392, 15934, 17236, 17990, 19460, 21545, 30163, 31868, 34472, 35723, 35980, 38920, 39835, 43090, 55769, 60326, 63736, 71446, 71960, 79670, 86180, 111538, 120652, 142892, 150815, 159340, 172360, 178615, 223076, 241304, 250061, 278845, 285784, 301630, 318680, 357230, 446152, 500122, 557690, 603260, 714460, 1000244, 1107413, 1115380, 1206520, 1250305, 1428920, 2000488, 2214826, 2230760, 2500610, 4429652, 5001220, 5537065, 7751891, 8859304, 10002440, 11074130, 15503782, 22148260, 31007564, 38759455, 44296520, 62015128, 77518910, 155037820, 310075640]

約数ペア:

[(1, 310075640), (2, 155037820), (4, 77518910), (5, 62015128), (7, 44296520), (8, 38759455), (10, 31007564), (14, 22148260), (20, 15503782), (28, 11074130), (31, 10002440), (35, 8859304), (40, 7751891), (56, 5537065), (62, 5001220), (70, 4429652), (124, 2500610), (139, 2230760), (140, 2214826), (155, 2000488), (217, 1428920), (248, 1250305), (257, 1206520), (278, 1115380), (280, 1107413), (310, 1000244), (434, 714460), (514, 603260), (556, 557690), (620, 500122), (695, 446152), (868, 357230), (973, 318680), (1028, 301630), (1085, 285784), (1112, 278845), (1240, 250061), (1285, 241304), (1390, 223076), (1736, 178615), (1799, 172360), (1946, 159340), (2056, 150815), (2170, 142892), (2570, 120652), (2780, 111538), (3598, 86180), (3892, 79670), (4309, 71960), (4340, 71446), (4865, 63736), (5140, 60326), (5560, 55769), (7196, 43090), (7784, 39835), (7967, 38920), (8618, 35980), (8680, 35723), (8995, 34472), (9730, 31868), (10280, 30163), (14392, 21545), (15934, 19460), (17236, 17990)]