389510540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{1277}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 832192704

約数和(自身を除く): 442682164

約数列:

[1, 2, 4, 5, 10, 20, 101, 151, 202, 302, 404, 505, 604, 755, 1010, 1277, 1510, 2020, 2554, 3020, 5108, 6385, 12770, 15251, 25540, 30502, 61004, 76255, 128977, 152510, 192827, 257954, 305020, 385654, 515908, 644885, 771308, 964135, 1289770, 1928270, 2579540, 3856540, 19475527, 38951054, 77902108, 97377635, 194755270, 389510540]

約数ペア:

[(1, 389510540), (2, 194755270), (4, 97377635), (5, 77902108), (10, 38951054), (20, 19475527), (101, 3856540), (151, 2579540), (202, 1928270), (302, 1289770), (404, 964135), (505, 771308), (604, 644885), (755, 515908), (1010, 385654), (1277, 305020), (1510, 257954), (2020, 192827), (2554, 152510), (3020, 128977), (5108, 76255), (6385, 61004), (12770, 30502), (15251, 25540)]