1955660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 4791360

約数和(自身を除く): 2835700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 229, 244, 305, 427, 458, 610, 854, 916, 1145, 1220, 1603, 1708, 2135, 2290, 3206, 4270, 4580, 6412, 8015, 8540, 13969, 16030, 27938, 32060, 55876, 69845, 97783, 139690, 195566, 279380, 391132, 488915, 977830, 1955660]

約数ペア:

[(1, 1955660), (2, 977830), (4, 488915), (5, 391132), (7, 279380), (10, 195566), (14, 139690), (20, 97783), (28, 69845), (35, 55876), (61, 32060), (70, 27938), (122, 16030), (140, 13969), (229, 8540), (244, 8015), (305, 6412), (427, 4580), (458, 4270), (610, 3206), (854, 2290), (916, 2135), (1145, 1708), (1220, 1603)]