1983660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4723}}^1$

素因数の和:4742

約数の個数: 48

約数和(自身を含む): 6349056

約数和(自身を除く): 4365396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4723, 9446, 14169, 18892, 23615, 28338, 33061, 47230, 56676, 66122, 70845, 94460, 99183, 132244, 141690, 165305, 198366, 283380, 330610, 396732, 495915, 661220, 991830, 1983660]

約数ペア:

[(1, 1983660), (2, 991830), (3, 661220), (4, 495915), (5, 396732), (6, 330610), (7, 283380), (10, 198366), (12, 165305), (14, 141690), (15, 132244), (20, 99183), (21, 94460), (28, 70845), (30, 66122), (35, 56676), (42, 47230), (60, 33061), (70, 28338), (84, 23615), (105, 18892), (140, 14169), (210, 9446), (420, 4723)]