224714780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 479001600

約数和(自身を除く): 254286820

約数列:

[1, 2, 4, 5, 10, 20, 131, 199, 262, 398, 431, 524, 655, 796, 862, 995, 1310, 1724, 1990, 2155, 2620, 3980, 4310, 8620, 26069, 52138, 56461, 85769, 104276, 112922, 130345, 171538, 225844, 260690, 282305, 343076, 428845, 521380, 564610, 857690, 1129220, 1715380, 11235739, 22471478, 44942956, 56178695, 112357390, 224714780]

約数ペア:

[(1, 224714780), (2, 112357390), (4, 56178695), (5, 44942956), (10, 22471478), (20, 11235739), (131, 1715380), (199, 1129220), (262, 857690), (398, 564610), (431, 521380), (524, 428845), (655, 343076), (796, 282305), (862, 260690), (995, 225844), (1310, 171538), (1724, 130345), (1990, 112922), (2155, 104276), (2620, 85769), (3980, 56461), (4310, 52138), (8620, 26069)]