204588440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3709}}^1$

素因数の和:3924

約数の個数: 64

約数和(自身を含む): 528897600

約数和(自身を除く): 324309160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 3709, 3940, 5516, 6895, 7418, 7880, 11032, 13790, 14836, 18545, 25963, 27580, 29672, 37090, 51926, 55160, 74180, 103852, 129815, 148360, 207704, 259630, 519260, 730673, 1038520, 1461346, 2922692, 3653365, 5114711, 5845384, 7306730, 10229422, 14613460, 20458844, 25573555, 29226920, 40917688, 51147110, 102294220, 204588440]

約数ペア:

[(1, 204588440), (2, 102294220), (4, 51147110), (5, 40917688), (7, 29226920), (8, 25573555), (10, 20458844), (14, 14613460), (20, 10229422), (28, 7306730), (35, 5845384), (40, 5114711), (56, 3653365), (70, 2922692), (140, 1461346), (197, 1038520), (280, 730673), (394, 519260), (788, 259630), (985, 207704), (1379, 148360), (1576, 129815), (1970, 103852), (2758, 74180), (3709, 55160), (3940, 51926), (5516, 37090), (6895, 29672), (7418, 27580), (7880, 25963), (11032, 18545), (13790, 14836)]