12749800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{1301}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 34509510

約数和(自身を除く): 21759710

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1301, 1400, 1960, 2450, 2602, 4900, 5204, 6505, 9107, 9800, 10408, 13010, 18214, 26020, 32525, 36428, 45535, 52040, 63749, 65050, 72856, 91070, 127498, 130100, 182140, 227675, 254996, 260200, 318745, 364280, 455350, 509992, 637490, 910700, 1274980, 1593725, 1821400, 2549960, 3187450, 6374900, 12749800]

約数ペア:

[(1, 12749800), (2, 6374900), (4, 3187450), (5, 2549960), (7, 1821400), (8, 1593725), (10, 1274980), (14, 910700), (20, 637490), (25, 509992), (28, 455350), (35, 364280), (40, 318745), (49, 260200), (50, 254996), (56, 227675), (70, 182140), (98, 130100), (100, 127498), (140, 91070), (175, 72856), (196, 65050), (200, 63749), (245, 52040), (280, 45535), (350, 36428), (392, 32525), (490, 26020), (700, 18214), (980, 13010), (1225, 10408), (1301, 9800), (1400, 9107), (1960, 6505), (2450, 5204), (2602, 4900)]