1026402020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{3001}}^1$

素因数の和:3373

約数の個数: 72

約数和(自身を含む): 2515375800

約数和(自身を除く): 1488973780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 349, 490, 698, 980, 1396, 1745, 2443, 3001, 3490, 4886, 6002, 6980, 9772, 12004, 12215, 15005, 17101, 21007, 24430, 30010, 34202, 42014, 48860, 60020, 68404, 84028, 85505, 105035, 147049, 171010, 210070, 294098, 342020, 420140, 588196, 735245, 1047349, 1470490, 2094698, 2940980, 4189396, 5236745, 7331443, 10473490, 14662886, 20946980, 29325772, 36657215, 51320101, 73314430, 102640202, 146628860, 205280404, 256600505, 513201010, 1026402020]

約数ペア:

[(1, 1026402020), (2, 513201010), (4, 256600505), (5, 205280404), (7, 146628860), (10, 102640202), (14, 73314430), (20, 51320101), (28, 36657215), (35, 29325772), (49, 20946980), (70, 14662886), (98, 10473490), (140, 7331443), (196, 5236745), (245, 4189396), (349, 2940980), (490, 2094698), (698, 1470490), (980, 1047349), (1396, 735245), (1745, 588196), (2443, 420140), (3001, 342020), (3490, 294098), (4886, 210070), (6002, 171010), (6980, 147049), (9772, 105035), (12004, 85505), (12215, 84028), (15005, 68404), (17101, 60020), (21007, 48860), (24430, 42014), (30010, 34202)]