828352120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{4241}}^1$

素因数の和:4528

約数の個数: 64

約数和(自身を含む): 1969984800

約数和(自身を除く): 1141632680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 257, 380, 514, 760, 1028, 1285, 2056, 2570, 4241, 4883, 5140, 8482, 9766, 10280, 16964, 19532, 21205, 24415, 33928, 39064, 42410, 48830, 80579, 84820, 97660, 161158, 169640, 195320, 322316, 402895, 644632, 805790, 1089937, 1611580, 2179874, 3223160, 4359748, 5449685, 8719496, 10899370, 20708803, 21798740, 41417606, 43597480, 82835212, 103544015, 165670424, 207088030, 414176060, 828352120]

約数ペア:

[(1, 828352120), (2, 414176060), (4, 207088030), (5, 165670424), (8, 103544015), (10, 82835212), (19, 43597480), (20, 41417606), (38, 21798740), (40, 20708803), (76, 10899370), (95, 8719496), (152, 5449685), (190, 4359748), (257, 3223160), (380, 2179874), (514, 1611580), (760, 1089937), (1028, 805790), (1285, 644632), (2056, 402895), (2570, 322316), (4241, 195320), (4883, 169640), (5140, 161158), (8482, 97660), (9766, 84820), (10280, 80579), (16964, 48830), (19532, 42410), (21205, 39064), (24415, 33928)]