7212700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 17498880

約数和(自身を除く): 10286180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 83, 100, 110, 158, 166, 220, 275, 316, 332, 395, 415, 550, 790, 830, 869, 913, 1100, 1580, 1660, 1738, 1826, 1975, 2075, 3476, 3652, 3950, 4150, 4345, 4565, 6557, 7900, 8300, 8690, 9130, 13114, 17380, 18260, 21725, 22825, 26228, 32785, 43450, 45650, 65570, 72127, 86900, 91300, 131140, 144254, 163925, 288508, 327850, 360635, 655700, 721270, 1442540, 1803175, 3606350, 7212700]

約数ペア:

[(1, 7212700), (2, 3606350), (4, 1803175), (5, 1442540), (10, 721270), (11, 655700), (20, 360635), (22, 327850), (25, 288508), (44, 163925), (50, 144254), (55, 131140), (79, 91300), (83, 86900), (100, 72127), (110, 65570), (158, 45650), (166, 43450), (220, 32785), (275, 26228), (316, 22825), (332, 21725), (395, 18260), (415, 17380), (550, 13114), (790, 9130), (830, 8690), (869, 8300), (913, 7900), (1100, 6557), (1580, 4565), (1660, 4345), (1738, 4150), (1826, 3950), (1975, 3652), (2075, 3476)]