206857360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1709}}^1$

素因数の和:1828

約数の個数: 80

約数和(自身を含む): 515257200

約数和(自身を除く): 308399840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 340, 356, 445, 680, 712, 890, 1360, 1424, 1513, 1709, 1780, 3026, 3418, 3560, 6052, 6836, 7120, 7565, 8545, 12104, 13672, 15130, 17090, 24208, 27344, 29053, 30260, 34180, 58106, 60520, 68360, 116212, 121040, 136720, 145265, 152101, 232424, 290530, 304202, 464848, 581060, 608404, 760505, 1162120, 1216808, 1521010, 2324240, 2433616, 2585717, 3042020, 5171434, 6084040, 10342868, 12168080, 12928585, 20685736, 25857170, 41371472, 51714340, 103428680, 206857360]

約数ペア:

[(1, 206857360), (2, 103428680), (4, 51714340), (5, 41371472), (8, 25857170), (10, 20685736), (16, 12928585), (17, 12168080), (20, 10342868), (34, 6084040), (40, 5171434), (68, 3042020), (80, 2585717), (85, 2433616), (89, 2324240), (136, 1521010), (170, 1216808), (178, 1162120), (272, 760505), (340, 608404), (356, 581060), (445, 464848), (680, 304202), (712, 290530), (890, 232424), (1360, 152101), (1424, 145265), (1513, 136720), (1709, 121040), (1780, 116212), (3026, 68360), (3418, 60520), (3560, 58106), (6052, 34180), (6836, 30260), (7120, 29053), (7565, 27344), (8545, 24208), (12104, 17090), (13672, 15130)]