13989700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 32984000

約数和(自身を除く): 18994300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 199, 370, 380, 398, 475, 703, 740, 796, 925, 950, 995, 1406, 1850, 1900, 1990, 2812, 3515, 3700, 3781, 3980, 4975, 7030, 7363, 7562, 9950, 14060, 14726, 15124, 17575, 18905, 19900, 29452, 35150, 36815, 37810, 70300, 73630, 75620, 94525, 139897, 147260, 184075, 189050, 279794, 368150, 378100, 559588, 699485, 736300, 1398970, 2797940, 3497425, 6994850, 13989700]

約数ペア:

[(1, 13989700), (2, 6994850), (4, 3497425), (5, 2797940), (10, 1398970), (19, 736300), (20, 699485), (25, 559588), (37, 378100), (38, 368150), (50, 279794), (74, 189050), (76, 184075), (95, 147260), (100, 139897), (148, 94525), (185, 75620), (190, 73630), (199, 70300), (370, 37810), (380, 36815), (398, 35150), (475, 29452), (703, 19900), (740, 18905), (796, 17575), (925, 15124), (950, 14726), (995, 14060), (1406, 9950), (1850, 7562), (1900, 7363), (1990, 7030), (2812, 4975), (3515, 3980), (3700, 3781)]