388299660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{924523}}^1$

素因数の和:924542

約数の個数: 48

約数和(自身を含む): 1242560256

約数和(自身を除く): 854260596

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, 924523, 1849046, 2773569, 3698092, 4622615, 5547138, 6471661, 9245230, 11094276, 12943322, 13867845, 18490460, 19414983, 25886644, 27735690, 32358305, 38829966, 55471380, 64716610, 77659932, 97074915, 129433220, 194149830, 388299660]

約数ペア:

[(1, 388299660), (2, 194149830), (3, 129433220), (4, 97074915), (5, 77659932), (6, 64716610), (7, 55471380), (10, 38829966), (12, 32358305), (14, 27735690), (15, 25886644), (20, 19414983), (21, 18490460), (28, 13867845), (30, 12943322), (35, 11094276), (42, 9245230), (60, 6471661), (70, 5547138), (84, 4622615), (105, 3698092), (140, 2773569), (210, 1849046), (420, 924523)]