8402100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{4001}}^1$

素因数の和:4025

約数の個数: 72

約数和(自身を含む): 27789888

約数和(自身を除く): 19387788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 4001, 8002, 12003, 16004, 20005, 24006, 28007, 40010, 48012, 56014, 60015, 80020, 84021, 100025, 112028, 120030, 140035, 168042, 200050, 240060, 280070, 300075, 336084, 400100, 420105, 560140, 600150, 700175, 840210, 1200300, 1400350, 1680420, 2100525, 2800700, 4201050, 8402100]

約数ペア:

[(1, 8402100), (2, 4201050), (3, 2800700), (4, 2100525), (5, 1680420), (6, 1400350), (7, 1200300), (10, 840210), (12, 700175), (14, 600150), (15, 560140), (20, 420105), (21, 400100), (25, 336084), (28, 300075), (30, 280070), (35, 240060), (42, 200050), (50, 168042), (60, 140035), (70, 120030), (75, 112028), (84, 100025), (100, 84021), (105, 80020), (140, 60015), (150, 56014), (175, 48012), (210, 40010), (300, 28007), (350, 24006), (420, 20005), (525, 16004), (700, 12003), (1050, 8002), (2100, 4001)]