204514970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 415642752

約数和(自身を除く): 211127782

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 137, 205, 274, 331, 410, 451, 662, 685, 902, 1370, 1507, 1655, 2255, 3014, 3310, 3641, 4510, 5617, 7282, 7535, 11234, 13571, 15070, 18205, 27142, 28085, 36410, 45347, 56170, 61787, 67855, 90694, 123574, 135710, 149281, 226735, 298562, 308935, 453470, 498817, 617870, 746405, 997634, 1492810, 1859227, 2494085, 3718454, 4988170, 9296135, 18592270, 20451497, 40902994, 102257485, 204514970]

約数ペア:

[(1, 204514970), (2, 102257485), (5, 40902994), (10, 20451497), (11, 18592270), (22, 9296135), (41, 4988170), (55, 3718454), (82, 2494085), (110, 1859227), (137, 1492810), (205, 997634), (274, 746405), (331, 617870), (410, 498817), (451, 453470), (662, 308935), (685, 298562), (902, 226735), (1370, 149281), (1507, 135710), (1655, 123574), (2255, 90694), (3014, 67855), (3310, 61787), (3641, 56170), (4510, 45347), (5617, 36410), (7282, 28085), (7535, 27142), (11234, 18205), (13571, 15070)]