890667408

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{2137}}^1$

素因数の和:2624

約数の個数: 80

約数和(自身を含む): 2428425920

約数和(自身を除く): 1537758512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 457, 912, 914, 1371, 1828, 2137, 2742, 3656, 4274, 5484, 6411, 7312, 8548, 8683, 10968, 12822, 17096, 17366, 21936, 25644, 26049, 34192, 34732, 40603, 51288, 52098, 69464, 81206, 102576, 104196, 121809, 138928, 162412, 208392, 243618, 324824, 416784, 487236, 649648, 974472, 976609, 1948944, 1953218, 2929827, 3906436, 5859654, 7812872, 11719308, 15625744, 18555571, 23438616, 37111142, 46877232, 55666713, 74222284, 111333426, 148444568, 222666852, 296889136, 445333704, 890667408]

約数ペア:

[(1, 890667408), (2, 445333704), (3, 296889136), (4, 222666852), (6, 148444568), (8, 111333426), (12, 74222284), (16, 55666713), (19, 46877232), (24, 37111142), (38, 23438616), (48, 18555571), (57, 15625744), (76, 11719308), (114, 7812872), (152, 5859654), (228, 3906436), (304, 2929827), (456, 1953218), (457, 1948944), (912, 976609), (914, 974472), (1371, 649648), (1828, 487236), (2137, 416784), (2742, 324824), (3656, 243618), (4274, 208392), (5484, 162412), (6411, 138928), (7312, 121809), (8548, 104196), (8683, 102576), (10968, 81206), (12822, 69464), (17096, 52098), (17366, 51288), (21936, 40603), (25644, 34732), (26049, 34192)]