9999450

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{823}}^1$

素因数の和:850

約数の個数: 72

約数和(自身を含む): 27894048

約数和(自身を除く): 17894598

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 243, 270, 405, 450, 486, 675, 810, 823, 1215, 1350, 1646, 2025, 2430, 2469, 4050, 4115, 4938, 6075, 7407, 8230, 12150, 12345, 14814, 20575, 22221, 24690, 37035, 41150, 44442, 61725, 66663, 74070, 111105, 123450, 133326, 185175, 199989, 222210, 333315, 370350, 399978, 555525, 666630, 999945, 1111050, 1666575, 1999890, 3333150, 4999725, 9999450]

約数ペア:

[(1, 9999450), (2, 4999725), (3, 3333150), (5, 1999890), (6, 1666575), (9, 1111050), (10, 999945), (15, 666630), (18, 555525), (25, 399978), (27, 370350), (30, 333315), (45, 222210), (50, 199989), (54, 185175), (75, 133326), (81, 123450), (90, 111105), (135, 74070), (150, 66663), (162, 61725), (225, 44442), (243, 41150), (270, 37035), (405, 24690), (450, 22221), (486, 20575), (675, 14814), (810, 12345), (823, 12150), (1215, 8230), (1350, 7407), (1646, 6075), (2025, 4938), (2430, 4115), (2469, 4050)]