299440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:229

約数の個数: 40

約数和(自身を含む): 736560

約数和(自身を除く): 437120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 197, 304, 380, 394, 760, 788, 985, 1520, 1576, 1970, 3152, 3743, 3940, 7486, 7880, 14972, 15760, 18715, 29944, 37430, 59888, 74860, 149720, 299440]

約数ペア:

[(1, 299440), (2, 149720), (4, 74860), (5, 59888), (8, 37430), (10, 29944), (16, 18715), (19, 15760), (20, 14972), (38, 7880), (40, 7486), (76, 3940), (80, 3743), (95, 3152), (152, 1970), (190, 1576), (197, 1520), (304, 985), (380, 788), (394, 760)]