73776920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263489}}^1$

素因数の和:263507

約数の個数: 32

約数和(自身を含む): 189712800

約数和(自身を除く): 115935880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 263489, 526978, 1053956, 1317445, 1844423, 2107912, 2634890, 3688846, 5269780, 7377692, 9222115, 10539560, 14755384, 18444230, 36888460, 73776920]

約数ペア:

[(1, 73776920), (2, 36888460), (4, 18444230), (5, 14755384), (7, 10539560), (8, 9222115), (10, 7377692), (14, 5269780), (20, 3688846), (28, 2634890), (35, 2107912), (40, 1844423), (56, 1317445), (70, 1053956), (140, 526978), (280, 263489)]