887355650

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{277}}^1\times {\mathrm{811}}^1$

素因数の和:1179

約数の個数: 48

約数和(自身を含む): 1679475840

約数和(自身を除く): 792120190

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 277, 395, 554, 790, 811, 1385, 1622, 1975, 2770, 3950, 4055, 6925, 8110, 13850, 20275, 21883, 40550, 43766, 64069, 109415, 128138, 218830, 224647, 320345, 449294, 547075, 640690, 1094150, 1123235, 1601725, 2246470, 3203450, 5616175, 11232350, 17747113, 35494226, 88735565, 177471130, 443677825, 887355650]

約数ペア:

[(1, 887355650), (2, 443677825), (5, 177471130), (10, 88735565), (25, 35494226), (50, 17747113), (79, 11232350), (158, 5616175), (277, 3203450), (395, 2246470), (554, 1601725), (790, 1123235), (811, 1094150), (1385, 640690), (1622, 547075), (1975, 449294), (2770, 320345), (3950, 224647), (4055, 218830), (6925, 128138), (8110, 109415), (13850, 64069), (20275, 43766), (21883, 40550)]