389684340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{5023}}^1$

素因数の和:5469

約数の個数: 72

約数和(自身を含む): 1185020928

約数和(自身を除く): 795336588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 862, 1293, 1724, 2155, 2586, 3879, 4310, 5023, 5172, 6465, 7758, 8620, 10046, 12930, 15069, 15516, 19395, 20092, 25115, 25860, 30138, 38790, 45207, 50230, 60276, 75345, 77580, 90414, 100460, 150690, 180828, 226035, 301380, 452070, 904140, 2164913, 4329826, 6494739, 8659652, 10824565, 12989478, 19484217, 21649130, 25978956, 32473695, 38968434, 43298260, 64947390, 77936868, 97421085, 129894780, 194842170, 389684340]

約数ペア:

[(1, 389684340), (2, 194842170), (3, 129894780), (4, 97421085), (5, 77936868), (6, 64947390), (9, 43298260), (10, 38968434), (12, 32473695), (15, 25978956), (18, 21649130), (20, 19484217), (30, 12989478), (36, 10824565), (45, 8659652), (60, 6494739), (90, 4329826), (180, 2164913), (431, 904140), (862, 452070), (1293, 301380), (1724, 226035), (2155, 180828), (2586, 150690), (3879, 100460), (4310, 90414), (5023, 77580), (5172, 75345), (6465, 60276), (7758, 50230), (8620, 45207), (10046, 38790), (12930, 30138), (15069, 25860), (15516, 25115), (19395, 20092)]