107578250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 220147200

約数和(自身を除く): 112568950

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 125, 130, 158, 250, 325, 395, 419, 650, 790, 838, 1027, 1625, 1975, 2054, 2095, 3250, 3950, 4190, 5135, 5447, 9875, 10270, 10475, 10894, 19750, 20950, 25675, 27235, 33101, 51350, 52375, 54470, 66202, 104750, 128375, 136175, 165505, 256750, 272350, 331010, 430313, 680875, 827525, 860626, 1361750, 1655050, 2151565, 4137625, 4303130, 8275250, 10757825, 21515650, 53789125, 107578250]

約数ペア:

[(1, 107578250), (2, 53789125), (5, 21515650), (10, 10757825), (13, 8275250), (25, 4303130), (26, 4137625), (50, 2151565), (65, 1655050), (79, 1361750), (125, 860626), (130, 827525), (158, 680875), (250, 430313), (325, 331010), (395, 272350), (419, 256750), (650, 165505), (790, 136175), (838, 128375), (1027, 104750), (1625, 66202), (1975, 54470), (2054, 52375), (2095, 51350), (3250, 33101), (3950, 27235), (4190, 25675), (5135, 20950), (5447, 19750), (9875, 10894), (10270, 10475)]