219982020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:749

約数の個数: 96

約数和(自身を含む): 637072128

約数和(自身を除く): 417090108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 197, 222, 370, 394, 444, 503, 555, 591, 740, 788, 985, 1006, 1110, 1182, 1509, 1970, 2012, 2220, 2364, 2515, 2955, 3018, 3940, 5030, 5910, 6036, 7289, 7545, 10060, 11820, 14578, 15090, 18611, 21867, 29156, 30180, 36445, 37222, 43734, 55833, 72890, 74444, 87468, 93055, 99091, 109335, 111666, 145780, 186110, 198182, 218670, 223332, 279165, 297273, 372220, 396364, 437340, 495455, 558330, 594546, 990910, 1116660, 1189092, 1486365, 1981820, 2972730, 3666367, 5945460, 7332734, 10999101, 14665468, 18331835, 21998202, 36663670, 43996404, 54995505, 73327340, 109991010, 219982020]

約数ペア:

[(1, 219982020), (2, 109991010), (3, 73327340), (4, 54995505), (5, 43996404), (6, 36663670), (10, 21998202), (12, 18331835), (15, 14665468), (20, 10999101), (30, 7332734), (37, 5945460), (60, 3666367), (74, 2972730), (111, 1981820), (148, 1486365), (185, 1189092), (197, 1116660), (222, 990910), (370, 594546), (394, 558330), (444, 495455), (503, 437340), (555, 396364), (591, 372220), (740, 297273), (788, 279165), (985, 223332), (1006, 218670), (1110, 198182), (1182, 186110), (1509, 145780), (1970, 111666), (2012, 109335), (2220, 99091), (2364, 93055), (2515, 87468), (2955, 74444), (3018, 72890), (3940, 55833), (5030, 43734), (5910, 37222), (6036, 36445), (7289, 30180), (7545, 29156), (10060, 21867), (11820, 18611), (14578, 15090)]