212325540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{505537}}^1$

素因数の和:505556

約数の個数: 48

約数和(自身を含む): 679443072

約数和(自身を除く): 467117532

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, 505537, 1011074, 1516611, 2022148, 2527685, 3033222, 3538759, 5055370, 6066444, 7077518, 7583055, 10110740, 10616277, 14155036, 15166110, 17693795, 21232554, 30332220, 35387590, 42465108, 53081385, 70775180, 106162770, 212325540]

約数ペア:

[(1, 212325540), (2, 106162770), (3, 70775180), (4, 53081385), (5, 42465108), (6, 35387590), (7, 30332220), (10, 21232554), (12, 17693795), (14, 15166110), (15, 14155036), (20, 10616277), (21, 10110740), (28, 7583055), (30, 7077518), (35, 6066444), (42, 5055370), (60, 3538759), (70, 3033222), (84, 2527685), (105, 2022148), (140, 1516611), (210, 1011074), (420, 505537)]