100928240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{25747}}^1$

素因数の和:25774

約数の個数: 60

約数和(自身を含む): 272980296

約数和(自身を除く): 172052056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 25747, 51494, 102988, 128735, 180229, 205976, 257470, 360458, 411952, 514940, 720916, 901145, 1029880, 1261603, 1441832, 1802290, 2059760, 2523206, 2883664, 3604580, 5046412, 6308015, 7209160, 10092824, 12616030, 14418320, 20185648, 25232060, 50464120, 100928240]

約数ペア:

[(1, 100928240), (2, 50464120), (4, 25232060), (5, 20185648), (7, 14418320), (8, 12616030), (10, 10092824), (14, 7209160), (16, 6308015), (20, 5046412), (28, 3604580), (35, 2883664), (40, 2523206), (49, 2059760), (56, 1802290), (70, 1441832), (80, 1261603), (98, 1029880), (112, 901145), (140, 720916), (196, 514940), (245, 411952), (280, 360458), (392, 257470), (490, 205976), (560, 180229), (784, 128735), (980, 102988), (1960, 51494), (3920, 25747)]