913307960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{27947}}^1$

素因数の和:28020

約数の個数: 64

約数和(自身を含む): 2213481600

約数和(自身を除く): 1300173640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 8170, 16340, 27947, 32680, 55894, 111788, 139735, 223576, 279470, 530993, 558940, 1061986, 1117880, 1201721, 2123972, 2403442, 2654965, 4247944, 4806884, 5309930, 6008605, 9613768, 10619860, 12017210, 21239720, 22832699, 24034420, 45665398, 48068840, 91330796, 114163495, 182661592, 228326990, 456653980, 913307960]

約数ペア:

[(1, 913307960), (2, 456653980), (4, 228326990), (5, 182661592), (8, 114163495), (10, 91330796), (19, 48068840), (20, 45665398), (38, 24034420), (40, 22832699), (43, 21239720), (76, 12017210), (86, 10619860), (95, 9613768), (152, 6008605), (172, 5309930), (190, 4806884), (215, 4247944), (344, 2654965), (380, 2403442), (430, 2123972), (760, 1201721), (817, 1117880), (860, 1061986), (1634, 558940), (1720, 530993), (3268, 279470), (4085, 223576), (6536, 139735), (8170, 111788), (16340, 55894), (27947, 32680)]