250978400

素因数分解:

$2^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 144

約数和(自身を含む): 644177520

約数和(自身を除く): 393199120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 61, 74, 80, 100, 122, 139, 148, 160, 185, 200, 244, 278, 296, 305, 370, 400, 488, 556, 592, 610, 695, 740, 800, 925, 976, 1112, 1184, 1220, 1390, 1480, 1525, 1850, 1952, 2224, 2257, 2440, 2780, 2960, 3050, 3475, 3700, 4448, 4514, 4880, 5143, 5560, 5920, 6100, 6950, 7400, 8479, 9028, 9760, 10286, 11120, 11285, 12200, 13900, 14800, 16958, 18056, 20572, 22240, 22570, 24400, 25715, 27800, 29600, 33916, 36112, 41144, 42395, 45140, 48800, 51430, 55600, 56425, 67832, 72224, 82288, 84790, 90280, 102860, 111200, 112850, 128575, 135664, 164576, 169580, 180560, 205720, 211975, 225700, 257150, 271328, 313723, 339160, 361120, 411440, 423950, 451400, 514300, 627446, 678320, 822880, 847900, 902800, 1028600, 1254892, 1356640, 1568615, 1695800, 1805600, 2057200, 2509784, 3137230, 3391600, 4114400, 5019568, 6274460, 6783200, 7843075, 10039136, 12548920, 15686150, 25097840, 31372300, 50195680, 62744600, 125489200, 250978400]

約数ペア:

[(1, 250978400), (2, 125489200), (4, 62744600), (5, 50195680), (8, 31372300), (10, 25097840), (16, 15686150), (20, 12548920), (25, 10039136), (32, 7843075), (37, 6783200), (40, 6274460), (50, 5019568), (61, 4114400), (74, 3391600), (80, 3137230), (100, 2509784), (122, 2057200), (139, 1805600), (148, 1695800), (160, 1568615), (185, 1356640), (200, 1254892), (244, 1028600), (278, 902800), (296, 847900), (305, 822880), (370, 678320), (400, 627446), (488, 514300), (556, 451400), (592, 423950), (610, 411440), (695, 361120), (740, 339160), (800, 313723), (925, 271328), (976, 257150), (1112, 225700), (1184, 211975), (1220, 205720), (1390, 180560), (1480, 169580), (1525, 164576), (1850, 135664), (1952, 128575), (2224, 112850), (2257, 111200), (2440, 102860), (2780, 90280), (2960, 84790), (3050, 82288), (3475, 72224), (3700, 67832), (4448, 56425), (4514, 55600), (4880, 51430), (5143, 48800), (5560, 45140), (5920, 42395), (6100, 41144), (6950, 36112), (7400, 33916), (8479, 29600), (9028, 27800), (9760, 25715), (10286, 24400), (11120, 22570), (11285, 22240), (12200, 20572), (13900, 18056), (14800, 16958)]