84003780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{200009}}^1$

素因数の和:200028

約数の個数: 48

約数和(自身を含む): 268813440

約数和(自身を除く): 184809660

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, 200009, 400018, 600027, 800036, 1000045, 1200054, 1400063, 2000090, 2400108, 2800126, 3000135, 4000180, 4200189, 5600252, 6000270, 7000315, 8400378, 12000540, 14000630, 16800756, 21000945, 28001260, 42001890, 84003780]

約数ペア:

[(1, 84003780), (2, 42001890), (3, 28001260), (4, 21000945), (5, 16800756), (6, 14000630), (7, 12000540), (10, 8400378), (12, 7000315), (14, 6000270), (15, 5600252), (20, 4200189), (21, 4000180), (28, 3000135), (30, 2800126), (35, 2400108), (42, 2000090), (60, 1400063), (70, 1200054), (84, 1000045), (105, 800036), (140, 600027), (210, 400018), (420, 200009)]