193455780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{460609}}^1$

素因数の和:460628

約数の個数: 48

約数和(自身を含む): 619059840

約数和(自身を除く): 425604060

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, 460609, 921218, 1381827, 1842436, 2303045, 2763654, 3224263, 4606090, 5527308, 6448526, 6909135, 9212180, 9672789, 12897052, 13818270, 16121315, 19345578, 27636540, 32242630, 38691156, 48363945, 64485260, 96727890, 193455780]

約数ペア:

[(1, 193455780), (2, 96727890), (3, 64485260), (4, 48363945), (5, 38691156), (6, 32242630), (7, 27636540), (10, 19345578), (12, 16121315), (14, 13818270), (15, 12897052), (20, 9672789), (21, 9212180), (28, 6909135), (30, 6448526), (35, 5527308), (42, 4606090), (60, 3224263), (70, 2763654), (84, 2303045), (105, 1842436), (140, 1381827), (210, 921218), (420, 460609)]