238408740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21713}}^1$

素因数の和:21789

約数の個数: 72

約数和(自身を含む): 735062328

約数和(自身を除く): 496653588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 21713, 43426, 65139, 86852, 108565, 130278, 195417, 217130, 260556, 325695, 390834, 434260, 651390, 781668, 977085, 1302780, 1324493, 1954170, 2648986, 3908340, 3973479, 5297972, 6622465, 7946958, 11920437, 13244930, 15893916, 19867395, 23840874, 26489860, 39734790, 47681748, 59602185, 79469580, 119204370, 238408740]

約数ペア:

[(1, 238408740), (2, 119204370), (3, 79469580), (4, 59602185), (5, 47681748), (6, 39734790), (9, 26489860), (10, 23840874), (12, 19867395), (15, 15893916), (18, 13244930), (20, 11920437), (30, 7946958), (36, 6622465), (45, 5297972), (60, 3973479), (61, 3908340), (90, 2648986), (122, 1954170), (180, 1324493), (183, 1302780), (244, 977085), (305, 781668), (366, 651390), (549, 434260), (610, 390834), (732, 325695), (915, 260556), (1098, 217130), (1220, 195417), (1830, 130278), (2196, 108565), (2745, 86852), (3660, 65139), (5490, 43426), (10980, 21713)]