774760900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{971}}^1$

素因数の和:1165

約数の個数: 72

約数和(自身を含む): 1721139840

約数和(自身を除く): 946378940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 101, 158, 202, 316, 395, 404, 505, 790, 971, 1010, 1580, 1942, 1975, 2020, 2525, 3884, 3950, 4855, 5050, 7900, 7979, 9710, 10100, 15958, 19420, 24275, 31916, 39895, 48550, 76709, 79790, 97100, 98071, 153418, 159580, 196142, 199475, 306836, 383545, 392284, 398950, 490355, 767090, 797900, 980710, 1534180, 1917725, 1961420, 2451775, 3835450, 4903550, 7670900, 7747609, 9807100, 15495218, 30990436, 38738045, 77476090, 154952180, 193690225, 387380450, 774760900]

約数ペア:

[(1, 774760900), (2, 387380450), (4, 193690225), (5, 154952180), (10, 77476090), (20, 38738045), (25, 30990436), (50, 15495218), (79, 9807100), (100, 7747609), (101, 7670900), (158, 4903550), (202, 3835450), (316, 2451775), (395, 1961420), (404, 1917725), (505, 1534180), (790, 980710), (971, 797900), (1010, 767090), (1580, 490355), (1942, 398950), (1975, 392284), (2020, 383545), (2525, 306836), (3884, 199475), (3950, 196142), (4855, 159580), (5050, 153418), (7900, 98071), (7979, 97100), (9710, 79790), (10100, 76709), (15958, 48550), (19420, 39895), (24275, 31916)]