395527760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3709}}^1$

素因数の和:3796

約数の個数: 80

約数和(自身を含む): 971604480

約数和(自身を除く): 576076720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1720, 2480, 2666, 3440, 3709, 5332, 6665, 7418, 10664, 13330, 14836, 18545, 21328, 26660, 29672, 37090, 53320, 59344, 74180, 106640, 114979, 148360, 159487, 229958, 296720, 318974, 459916, 574895, 637948, 797435, 919832, 1149790, 1275896, 1594870, 1839664, 2299580, 2551792, 3189740, 4599160, 4944097, 6379480, 9198320, 9888194, 12758960, 19776388, 24720485, 39552776, 49440970, 79105552, 98881940, 197763880, 395527760]

約数ペア:

[(1, 395527760), (2, 197763880), (4, 98881940), (5, 79105552), (8, 49440970), (10, 39552776), (16, 24720485), (20, 19776388), (31, 12758960), (40, 9888194), (43, 9198320), (62, 6379480), (80, 4944097), (86, 4599160), (124, 3189740), (155, 2551792), (172, 2299580), (215, 1839664), (248, 1594870), (310, 1275896), (344, 1149790), (430, 919832), (496, 797435), (620, 637948), (688, 574895), (860, 459916), (1240, 318974), (1333, 296720), (1720, 229958), (2480, 159487), (2666, 148360), (3440, 114979), (3709, 106640), (5332, 74180), (6665, 59344), (7418, 53320), (10664, 37090), (13330, 29672), (14836, 26660), (18545, 21328)]