393379120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{487}}^1$

素因数の和:962

約数の個数: 80

約数和(自身を含む): 958510080

約数和(自身を除く): 565130960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 439, 460, 487, 878, 920, 974, 1756, 1840, 1948, 2195, 2435, 3512, 3896, 4390, 4870, 7024, 7792, 8780, 9740, 10097, 11201, 17560, 19480, 20194, 22402, 35120, 38960, 40388, 44804, 50485, 56005, 80776, 89608, 100970, 112010, 161552, 179216, 201940, 213793, 224020, 403880, 427586, 448040, 807760, 855172, 896080, 1068965, 1710344, 2137930, 3420688, 4275860, 4917239, 8551720, 9834478, 17103440, 19668956, 24586195, 39337912, 49172390, 78675824, 98344780, 196689560, 393379120]

約数ペア:

[(1, 393379120), (2, 196689560), (4, 98344780), (5, 78675824), (8, 49172390), (10, 39337912), (16, 24586195), (20, 19668956), (23, 17103440), (40, 9834478), (46, 8551720), (80, 4917239), (92, 4275860), (115, 3420688), (184, 2137930), (230, 1710344), (368, 1068965), (439, 896080), (460, 855172), (487, 807760), (878, 448040), (920, 427586), (974, 403880), (1756, 224020), (1840, 213793), (1948, 201940), (2195, 179216), (2435, 161552), (3512, 112010), (3896, 100970), (4390, 89608), (4870, 80776), (7024, 56005), (7792, 50485), (8780, 44804), (9740, 40388), (10097, 38960), (11201, 35120), (17560, 22402), (19480, 20194)]