197763880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3709}}^1$

素因数の和:3794

約数の個数: 64

約数和(自身を含む): 470131200

約数和(自身を除く): 272367320

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, 3709, 5332, 6665, 7418, 10664, 13330, 14836, 18545, 26660, 29672, 37090, 53320, 74180, 114979, 148360, 159487, 229958, 318974, 459916, 574895, 637948, 797435, 919832, 1149790, 1275896, 1594870, 2299580, 3189740, 4599160, 4944097, 6379480, 9888194, 19776388, 24720485, 39552776, 49440970, 98881940, 197763880]

約数ペア:

[(1, 197763880), (2, 98881940), (4, 49440970), (5, 39552776), (8, 24720485), (10, 19776388), (20, 9888194), (31, 6379480), (40, 4944097), (43, 4599160), (62, 3189740), (86, 2299580), (124, 1594870), (155, 1275896), (172, 1149790), (215, 919832), (248, 797435), (310, 637948), (344, 574895), (430, 459916), (620, 318974), (860, 229958), (1240, 159487), (1333, 148360), (1720, 114979), (2666, 74180), (3709, 53320), (5332, 37090), (6665, 29672), (7418, 26660), (10664, 18545), (13330, 14836)]