319300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:148

約数の個数: 36

約数和(自身を含む): 722176

約数和(自身を除く): 402876

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 103, 124, 155, 206, 310, 412, 515, 620, 775, 1030, 1550, 2060, 2575, 3100, 3193, 5150, 6386, 10300, 12772, 15965, 31930, 63860, 79825, 159650, 319300]

約数ペア:

[(1, 319300), (2, 159650), (4, 79825), (5, 63860), (10, 31930), (20, 15965), (25, 12772), (31, 10300), (50, 6386), (62, 5150), (100, 3193), (103, 3100), (124, 2575), (155, 2060), (206, 1550), (310, 1030), (412, 775), (515, 620)]