259476420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{617801}}^1$

素因数の和:617820

約数の個数: 48

約数和(自身を含む): 830325888

約数和(自身を除く): 570849468

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, 617801, 1235602, 1853403, 2471204, 3089005, 3706806, 4324607, 6178010, 7413612, 8649214, 9267015, 12356020, 12973821, 17298428, 18534030, 21623035, 25947642, 37068060, 43246070, 51895284, 64869105, 86492140, 129738210, 259476420]

約数ペア:

[(1, 259476420), (2, 129738210), (3, 86492140), (4, 64869105), (5, 51895284), (6, 43246070), (7, 37068060), (10, 25947642), (12, 21623035), (14, 18534030), (15, 17298428), (20, 12973821), (21, 12356020), (28, 9267015), (30, 8649214), (35, 7413612), (42, 6178010), (60, 4324607), (70, 3706806), (84, 3089005), (105, 2471204), (140, 1853403), (210, 1235602), (420, 617801)]