7739080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 19440000

約数和(自身を除く): 11700920

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 599, 646, 680, 760, 1198, 1292, 1615, 2396, 2584, 2995, 3230, 4792, 5990, 6460, 10183, 11381, 11980, 12920, 20366, 22762, 23960, 40732, 45524, 50915, 56905, 81464, 91048, 101830, 113810, 193477, 203660, 227620, 386954, 407320, 455240, 773908, 967385, 1547816, 1934770, 3869540, 7739080]

約数ペア:

[(1, 7739080), (2, 3869540), (4, 1934770), (5, 1547816), (8, 967385), (10, 773908), (17, 455240), (19, 407320), (20, 386954), (34, 227620), (38, 203660), (40, 193477), (68, 113810), (76, 101830), (85, 91048), (95, 81464), (136, 56905), (152, 50915), (170, 45524), (190, 40732), (323, 23960), (340, 22762), (380, 20366), (599, 12920), (646, 11980), (680, 11381), (760, 10183), (1198, 6460), (1292, 5990), (1615, 4792), (2396, 3230), (2584, 2995)]