289120000

素因数分解:

$2^8\times 5^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:188

約数の個数: 180

約数和(自身を含む): 782218360

約数和(自身を除く): 493098360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 139, 160, 200, 208, 250, 256, 260, 278, 320, 325, 400, 416, 500, 520, 556, 625, 640, 650, 695, 800, 832, 1000, 1040, 1112, 1250, 1280, 1300, 1390, 1600, 1625, 1664, 1807, 2000, 2080, 2224, 2500, 2600, 2780, 3200, 3250, 3328, 3475, 3614, 4000, 4160, 4448, 5000, 5200, 5560, 6400, 6500, 6950, 7228, 8000, 8125, 8320, 8896, 9035, 10000, 10400, 11120, 13000, 13900, 14456, 16000, 16250, 16640, 17375, 17792, 18070, 20000, 20800, 22240, 26000, 27800, 28912, 32000, 32500, 34750, 35584, 36140, 40000, 41600, 44480, 45175, 52000, 55600, 57824, 65000, 69500, 72280, 80000, 83200, 86875, 88960, 90350, 104000, 111200, 115648, 130000, 139000, 144560, 160000, 173750, 177920, 180700, 208000, 222400, 225875, 231296, 260000, 278000, 289120, 347500, 361400, 416000, 444800, 451750, 462592, 520000, 556000, 578240, 695000, 722800, 889600, 903500, 1040000, 1112000, 1129375, 1156480, 1390000, 1445600, 1807000, 2080000, 2224000, 2258750, 2312960, 2780000, 2891200, 3614000, 4448000, 4517500, 5560000, 5782400, 7228000, 9035000, 11120000, 11564800, 14456000, 18070000, 22240000, 28912000, 36140000, 57824000, 72280000, 144560000, 289120000]

約数ペア:

[(1, 289120000), (2, 144560000), (4, 72280000), (5, 57824000), (8, 36140000), (10, 28912000), (13, 22240000), (16, 18070000), (20, 14456000), (25, 11564800), (26, 11120000), (32, 9035000), (40, 7228000), (50, 5782400), (52, 5560000), (64, 4517500), (65, 4448000), (80, 3614000), (100, 2891200), (104, 2780000), (125, 2312960), (128, 2258750), (130, 2224000), (139, 2080000), (160, 1807000), (200, 1445600), (208, 1390000), (250, 1156480), (256, 1129375), (260, 1112000), (278, 1040000), (320, 903500), (325, 889600), (400, 722800), (416, 695000), (500, 578240), (520, 556000), (556, 520000), (625, 462592), (640, 451750), (650, 444800), (695, 416000), (800, 361400), (832, 347500), (1000, 289120), (1040, 278000), (1112, 260000), (1250, 231296), (1280, 225875), (1300, 222400), (1390, 208000), (1600, 180700), (1625, 177920), (1664, 173750), (1807, 160000), (2000, 144560), (2080, 139000), (2224, 130000), (2500, 115648), (2600, 111200), (2780, 104000), (3200, 90350), (3250, 88960), (3328, 86875), (3475, 83200), (3614, 80000), (4000, 72280), (4160, 69500), (4448, 65000), (5000, 57824), (5200, 55600), (5560, 52000), (6400, 45175), (6500, 44480), (6950, 41600), (7228, 40000), (8000, 36140), (8125, 35584), (8320, 34750), (8896, 32500), (9035, 32000), (10000, 28912), (10400, 27800), (11120, 26000), (13000, 22240), (13900, 20800), (14456, 20000), (16000, 18070), (16250, 17792), (16640, 17375)]