200760420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{478001}}^1$

素因数の和:478020

約数の個数: 48

約数和(自身を含む): 642434688

約数和(自身を除く): 441674268

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, 478001, 956002, 1434003, 1912004, 2390005, 2868006, 3346007, 4780010, 5736012, 6692014, 7170015, 9560020, 10038021, 13384028, 14340030, 16730035, 20076042, 28680060, 33460070, 40152084, 50190105, 66920140, 100380210, 200760420]

約数ペア:

[(1, 200760420), (2, 100380210), (3, 66920140), (4, 50190105), (5, 40152084), (6, 33460070), (7, 28680060), (10, 20076042), (12, 16730035), (14, 14340030), (15, 13384028), (20, 10038021), (21, 9560020), (28, 7170015), (30, 6692014), (35, 5736012), (42, 4780010), (60, 3346007), (70, 2868006), (84, 2390005), (105, 1912004), (140, 1434003), (210, 956002), (420, 478001)]