1899660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4523}}^1$

素因数の和:4542

約数の個数: 48

約数和(自身を含む): 6080256

約数和(自身を除く): 4180596

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, 4523, 9046, 13569, 18092, 22615, 27138, 31661, 45230, 54276, 63322, 67845, 90460, 94983, 126644, 135690, 158305, 189966, 271380, 316610, 379932, 474915, 633220, 949830, 1899660]

約数ペア:

[(1, 1899660), (2, 949830), (3, 633220), (4, 474915), (5, 379932), (6, 316610), (7, 271380), (10, 189966), (12, 158305), (14, 135690), (15, 126644), (20, 94983), (21, 90460), (28, 67845), (30, 63322), (35, 54276), (42, 45230), (60, 31661), (70, 27138), (84, 22615), (105, 18092), (140, 13569), (210, 9046), (420, 4523)]