204529325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:795

約数の個数: 72

約数和(自身を含む): 343561344

約数和(自身を除く): 139032019

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 121, 143, 175, 275, 325, 385, 455, 605, 715, 743, 847, 1001, 1573, 1925, 2275, 3025, 3575, 3715, 4235, 5005, 5201, 7865, 8173, 9659, 11011, 18575, 21175, 25025, 26005, 39325, 40865, 48295, 55055, 57211, 67613, 89903, 106249, 130025, 204325, 241475, 275275, 286055, 338065, 449515, 531245, 629321, 743743, 1168739, 1430275, 1690325, 2247575, 2656225, 3146605, 3718715, 5843695, 8181173, 15733025, 18593575, 29218475, 40905865, 204529325]

約数ペア:

[(1, 204529325), (5, 40905865), (7, 29218475), (11, 18593575), (13, 15733025), (25, 8181173), (35, 5843695), (55, 3718715), (65, 3146605), (77, 2656225), (91, 2247575), (121, 1690325), (143, 1430275), (175, 1168739), (275, 743743), (325, 629321), (385, 531245), (455, 449515), (605, 338065), (715, 286055), (743, 275275), (847, 241475), (1001, 204325), (1573, 130025), (1925, 106249), (2275, 89903), (3025, 67613), (3575, 57211), (3715, 55055), (4235, 48295), (5005, 40865), (5201, 39325), (7865, 26005), (8173, 25025), (9659, 21175), (11011, 18575)]