251148520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1321}}^1$

素因数の和:1443

約数の個数: 96

約数和(自身を含む): 664622280

約数和(自身を除く): 413473760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 97, 98, 140, 194, 196, 245, 280, 388, 392, 485, 490, 679, 776, 970, 980, 1321, 1358, 1940, 1960, 2642, 2716, 3395, 3880, 4753, 5284, 5432, 6605, 6790, 9247, 9506, 10568, 13210, 13580, 18494, 19012, 23765, 26420, 27160, 36988, 38024, 46235, 47530, 52840, 64729, 73976, 92470, 95060, 128137, 129458, 184940, 190120, 256274, 258916, 323645, 369880, 512548, 517832, 640685, 647290, 896959, 1025096, 1281370, 1294580, 1793918, 2562740, 2589160, 3587836, 4484795, 5125480, 6278713, 7175672, 8969590, 12557426, 17939180, 25114852, 31393565, 35878360, 50229704, 62787130, 125574260, 251148520]

約数ペア:

[(1, 251148520), (2, 125574260), (4, 62787130), (5, 50229704), (7, 35878360), (8, 31393565), (10, 25114852), (14, 17939180), (20, 12557426), (28, 8969590), (35, 7175672), (40, 6278713), (49, 5125480), (56, 4484795), (70, 3587836), (97, 2589160), (98, 2562740), (140, 1793918), (194, 1294580), (196, 1281370), (245, 1025096), (280, 896959), (388, 647290), (392, 640685), (485, 517832), (490, 512548), (679, 369880), (776, 323645), (970, 258916), (980, 256274), (1321, 190120), (1358, 184940), (1940, 129458), (1960, 128137), (2642, 95060), (2716, 92470), (3395, 73976), (3880, 64729), (4753, 52840), (5284, 47530), (5432, 46235), (6605, 38024), (6790, 36988), (9247, 27160), (9506, 26420), (10568, 23765), (13210, 19012), (13580, 18494)]