7798700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 20852832

約数和(自身を除く): 13054132

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 857, 910, 1300, 1714, 1820, 2275, 3428, 4285, 4550, 5999, 8570, 9100, 11141, 11998, 17140, 21425, 22282, 23996, 29995, 42850, 44564, 55705, 59990, 77987, 85700, 111410, 119980, 149975, 155974, 222820, 278525, 299950, 311948, 389935, 557050, 599900, 779870, 1114100, 1559740, 1949675, 3899350, 7798700]

約数ペア:

[(1, 7798700), (2, 3899350), (4, 1949675), (5, 1559740), (7, 1114100), (10, 779870), (13, 599900), (14, 557050), (20, 389935), (25, 311948), (26, 299950), (28, 278525), (35, 222820), (50, 155974), (52, 149975), (65, 119980), (70, 111410), (91, 85700), (100, 77987), (130, 59990), (140, 55705), (175, 44564), (182, 42850), (260, 29995), (325, 23996), (350, 22282), (364, 21425), (455, 17140), (650, 11998), (700, 11141), (857, 9100), (910, 8570), (1300, 5999), (1714, 4550), (1820, 4285), (2275, 3428)]