490196

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 36

約数和(自身を含む): 1038996

約数和(自身を除く): 548800

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 61, 82, 98, 122, 164, 196, 244, 287, 427, 574, 854, 1148, 1708, 2009, 2501, 2989, 4018, 5002, 5978, 8036, 10004, 11956, 17507, 35014, 70028, 122549, 245098, 490196]

約数ペア:

[(1, 490196), (2, 245098), (4, 122549), (7, 70028), (14, 35014), (28, 17507), (41, 11956), (49, 10004), (61, 8036), (82, 5978), (98, 5002), (122, 4018), (164, 2989), (196, 2501), (244, 2009), (287, 1708), (427, 1148), (574, 854)]