239566760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4493}}^1$

素因数の和:4578

約数の個数: 64

約数和(自身を含む): 569479680

約数和(自身を除く): 329912920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 4493, 5332, 6665, 8986, 10664, 13330, 17972, 22465, 26660, 35944, 44930, 53320, 89860, 139283, 179720, 193199, 278566, 386398, 557132, 696415, 772796, 965995, 1114264, 1392830, 1545592, 1931990, 2785660, 3863980, 5571320, 5989169, 7727960, 11978338, 23956676, 29945845, 47913352, 59891690, 119783380, 239566760]

約数ペア:

[(1, 239566760), (2, 119783380), (4, 59891690), (5, 47913352), (8, 29945845), (10, 23956676), (20, 11978338), (31, 7727960), (40, 5989169), (43, 5571320), (62, 3863980), (86, 2785660), (124, 1931990), (155, 1545592), (172, 1392830), (215, 1114264), (248, 965995), (310, 772796), (344, 696415), (430, 557132), (620, 386398), (860, 278566), (1240, 193199), (1333, 179720), (1720, 139283), (2666, 89860), (4493, 53320), (5332, 44930), (6665, 35944), (8986, 26660), (10664, 22465), (13330, 17972)]