210444800

素因数分解:

$2^9\times 5^2\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:470

約数の個数: 120

約数和(自身を含む): 535442292

約数和(自身を除く): 324997492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 200, 205, 256, 320, 328, 400, 401, 410, 512, 640, 656, 800, 802, 820, 1025, 1280, 1312, 1600, 1604, 1640, 2005, 2050, 2560, 2624, 3200, 3208, 3280, 4010, 4100, 5248, 6400, 6416, 6560, 8020, 8200, 10025, 10496, 12800, 12832, 13120, 16040, 16400, 16441, 20050, 20992, 25664, 26240, 32080, 32800, 32882, 40100, 51328, 52480, 64160, 65600, 65764, 80200, 82205, 102656, 104960, 128320, 131200, 131528, 160400, 164410, 205312, 256640, 262400, 263056, 320800, 328820, 411025, 513280, 524800, 526112, 641600, 657640, 822050, 1026560, 1052224, 1283200, 1315280, 1644100, 2104448, 2566400, 2630560, 3288200, 4208896, 5132800, 5261120, 6576400, 8417792, 10522240, 13152800, 21044480, 26305600, 42088960, 52611200, 105222400, 210444800]

約数ペア:

[(1, 210444800), (2, 105222400), (4, 52611200), (5, 42088960), (8, 26305600), (10, 21044480), (16, 13152800), (20, 10522240), (25, 8417792), (32, 6576400), (40, 5261120), (41, 5132800), (50, 4208896), (64, 3288200), (80, 2630560), (82, 2566400), (100, 2104448), (128, 1644100), (160, 1315280), (164, 1283200), (200, 1052224), (205, 1026560), (256, 822050), (320, 657640), (328, 641600), (400, 526112), (401, 524800), (410, 513280), (512, 411025), (640, 328820), (656, 320800), (800, 263056), (802, 262400), (820, 256640), (1025, 205312), (1280, 164410), (1312, 160400), (1600, 131528), (1604, 131200), (1640, 128320), (2005, 104960), (2050, 102656), (2560, 82205), (2624, 80200), (3200, 65764), (3208, 65600), (3280, 64160), (4010, 52480), (4100, 51328), (5248, 40100), (6400, 32882), (6416, 32800), (6560, 32080), (8020, 26240), (8200, 25664), (10025, 20992), (10496, 20050), (12800, 16441), (12832, 16400), (13120, 16040)]