290412278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 495467280

約数和(自身を除く): 205055002

約数列:

[1, 2, 13, 26, 31, 59, 62, 118, 197, 394, 403, 767, 806, 961, 1534, 1829, 1922, 2561, 3658, 5122, 6107, 11623, 12214, 12493, 23246, 23777, 24986, 47554, 56699, 79391, 113398, 151099, 158782, 189317, 302198, 360313, 378634, 720626, 737087, 1474174, 2461121, 4684069, 4922242, 9368138, 11169703, 22339406, 145206139, 290412278]

約数ペア:

[(1, 290412278), (2, 145206139), (13, 22339406), (26, 11169703), (31, 9368138), (59, 4922242), (62, 4684069), (118, 2461121), (197, 1474174), (394, 737087), (403, 720626), (767, 378634), (806, 360313), (961, 302198), (1534, 189317), (1829, 158782), (1922, 151099), (2561, 113398), (3658, 79391), (5122, 56699), (6107, 47554), (11623, 24986), (12214, 23777), (12493, 23246)]