252456688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 549607680

約数和(自身を除く): 297150992

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 89, 142, 176, 178, 227, 284, 356, 454, 568, 712, 781, 908, 979, 1136, 1424, 1562, 1816, 1958, 2497, 3124, 3632, 3916, 4994, 6248, 6319, 7832, 9988, 12496, 12638, 15664, 16117, 19976, 20203, 25276, 32234, 39952, 40406, 50552, 64468, 69509, 80812, 101104, 128936, 139018, 161624, 177287, 222233, 257872, 278036, 323248, 354574, 444466, 556072, 709148, 888932, 1112144, 1418296, 1434413, 1777864, 2836592, 2868826, 3555728, 5737652, 11475304, 15778543, 22950608, 31557086, 63114172, 126228344, 252456688]

約数ペア:

[(1, 252456688), (2, 126228344), (4, 63114172), (8, 31557086), (11, 22950608), (16, 15778543), (22, 11475304), (44, 5737652), (71, 3555728), (88, 2868826), (89, 2836592), (142, 1777864), (176, 1434413), (178, 1418296), (227, 1112144), (284, 888932), (356, 709148), (454, 556072), (568, 444466), (712, 354574), (781, 323248), (908, 278036), (979, 257872), (1136, 222233), (1424, 177287), (1562, 161624), (1816, 139018), (1958, 128936), (2497, 101104), (3124, 80812), (3632, 69509), (3916, 64468), (4994, 50552), (6248, 40406), (6319, 39952), (7832, 32234), (9988, 25276), (12496, 20203), (12638, 19976), (15664, 16117)]