1427762980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{76679}}^1$

素因数の和:76721

約数の個数: 72

約数和(自身を含む): 3671438400

約数和(自身を除く): 2243675420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 18620, 76679, 153358, 306716, 383395, 536753, 766790, 1073506, 1456901, 1533580, 2147012, 2683765, 2913802, 3757271, 5367530, 5827604, 7284505, 7514542, 10198307, 10735060, 14569010, 15029084, 18786355, 20396614, 29138020, 37572710, 40793228, 50991535, 71388149, 75145420, 101983070, 142776298, 203966140, 285552596, 356940745, 713881490, 1427762980]

約数ペア:

[(1, 1427762980), (2, 713881490), (4, 356940745), (5, 285552596), (7, 203966140), (10, 142776298), (14, 101983070), (19, 75145420), (20, 71388149), (28, 50991535), (35, 40793228), (38, 37572710), (49, 29138020), (70, 20396614), (76, 18786355), (95, 15029084), (98, 14569010), (133, 10735060), (140, 10198307), (190, 7514542), (196, 7284505), (245, 5827604), (266, 5367530), (380, 3757271), (490, 2913802), (532, 2683765), (665, 2147012), (931, 1533580), (980, 1456901), (1330, 1073506), (1862, 766790), (2660, 536753), (3724, 383395), (4655, 306716), (9310, 153358), (18620, 76679)]