1818543020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{1117}}^1$

素因数の和:1563

約数の個数: 96

約数和(自身を含む): 4530314880

約数和(自身を除く): 2711771860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 401, 406, 580, 802, 812, 1015, 1117, 1604, 2005, 2030, 2234, 2807, 4010, 4060, 4468, 5585, 5614, 7819, 8020, 11170, 11228, 11629, 14035, 15638, 22340, 23258, 28070, 31276, 32393, 39095, 46516, 56140, 58145, 64786, 78190, 81403, 116290, 129572, 156380, 161965, 162806, 226751, 232580, 323930, 325612, 407015, 447917, 453502, 647860, 814030, 895834, 907004, 1133755, 1628060, 1791668, 2239585, 2267510, 3135419, 4479170, 4535020, 6270838, 8958340, 12541676, 12989593, 15677095, 25979186, 31354190, 51958372, 62708380, 64947965, 90927151, 129895930, 181854302, 259791860, 363708604, 454635755, 909271510, 1818543020]

約数ペア:

[(1, 1818543020), (2, 909271510), (4, 454635755), (5, 363708604), (7, 259791860), (10, 181854302), (14, 129895930), (20, 90927151), (28, 64947965), (29, 62708380), (35, 51958372), (58, 31354190), (70, 25979186), (116, 15677095), (140, 12989593), (145, 12541676), (203, 8958340), (290, 6270838), (401, 4535020), (406, 4479170), (580, 3135419), (802, 2267510), (812, 2239585), (1015, 1791668), (1117, 1628060), (1604, 1133755), (2005, 907004), (2030, 895834), (2234, 814030), (2807, 647860), (4010, 453502), (4060, 447917), (4468, 407015), (5585, 325612), (5614, 323930), (7819, 232580), (8020, 226751), (11170, 162806), (11228, 161965), (11629, 156380), (14035, 129572), (15638, 116290), (22340, 81403), (23258, 78190), (28070, 64786), (31276, 58145), (32393, 56140), (39095, 46516)]