1289366980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6563}}^1$

素因数の和:6649

約数の個数: 96

約数和(自身を含む): 3175925760

約数和(自身を除く): 1886558780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 47, 55, 76, 94, 95, 110, 188, 190, 209, 220, 235, 380, 418, 470, 517, 836, 893, 940, 1034, 1045, 1786, 2068, 2090, 2585, 3572, 4180, 4465, 5170, 6563, 8930, 9823, 10340, 13126, 17860, 19646, 26252, 32815, 39292, 49115, 65630, 72193, 98230, 124697, 131260, 144386, 196460, 249394, 288772, 308461, 360965, 498788, 616922, 623485, 721930, 1233844, 1246970, 1371667, 1443860, 1542305, 2493940, 2743334, 3084610, 3393071, 5486668, 5860759, 6169220, 6786142, 6858335, 11721518, 13572284, 13716670, 16965355, 23443036, 27433340, 29303795, 33930710, 58607590, 64468349, 67861420, 117215180, 128936698, 257873396, 322341745, 644683490, 1289366980]

約数ペア:

[(1, 1289366980), (2, 644683490), (4, 322341745), (5, 257873396), (10, 128936698), (11, 117215180), (19, 67861420), (20, 64468349), (22, 58607590), (38, 33930710), (44, 29303795), (47, 27433340), (55, 23443036), (76, 16965355), (94, 13716670), (95, 13572284), (110, 11721518), (188, 6858335), (190, 6786142), (209, 6169220), (220, 5860759), (235, 5486668), (380, 3393071), (418, 3084610), (470, 2743334), (517, 2493940), (836, 1542305), (893, 1443860), (940, 1371667), (1034, 1246970), (1045, 1233844), (1786, 721930), (2068, 623485), (2090, 616922), (2585, 498788), (3572, 360965), (4180, 308461), (4465, 288772), (5170, 249394), (6563, 196460), (8930, 144386), (9823, 131260), (10340, 124697), (13126, 98230), (17860, 72193), (19646, 65630), (26252, 49115), (32815, 39292)]