78382120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 182160000

約数和(自身を除く): 103777880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 199, 215, 229, 344, 398, 430, 458, 796, 860, 916, 995, 1145, 1592, 1720, 1832, 1990, 2290, 3980, 4580, 7960, 8557, 9160, 9847, 17114, 19694, 34228, 39388, 42785, 45571, 49235, 68456, 78776, 85570, 91142, 98470, 171140, 182284, 196940, 227855, 342280, 364568, 393880, 455710, 911420, 1822840, 1959553, 3919106, 7838212, 9797765, 15676424, 19595530, 39191060, 78382120]

約数ペア:

[(1, 78382120), (2, 39191060), (4, 19595530), (5, 15676424), (8, 9797765), (10, 7838212), (20, 3919106), (40, 1959553), (43, 1822840), (86, 911420), (172, 455710), (199, 393880), (215, 364568), (229, 342280), (344, 227855), (398, 196940), (430, 182284), (458, 171140), (796, 98470), (860, 91142), (916, 85570), (995, 78776), (1145, 68456), (1592, 49235), (1720, 45571), (1832, 42785), (1990, 39388), (2290, 34228), (3980, 19694), (4580, 17114), (7960, 9847), (8557, 9160)]