204606640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{365369}}^1$

素因数の和:365389

約数の個数: 40

約数和(自身を含む): 543670560

約数和(自身を除く): 339063920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 365369, 730738, 1461476, 1826845, 2557583, 2922952, 3653690, 5115166, 5845904, 7307380, 10230332, 12787915, 14614760, 20460664, 25575830, 29229520, 40921328, 51151660, 102303320, 204606640]

約数ペア:

[(1, 204606640), (2, 102303320), (4, 51151660), (5, 40921328), (7, 29229520), (8, 25575830), (10, 20460664), (14, 14614760), (16, 12787915), (20, 10230332), (28, 7307380), (35, 5845904), (40, 5115166), (56, 3653690), (70, 2922952), (80, 2557583), (112, 1826845), (140, 1461476), (280, 730738), (560, 365369)]