1235780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 3284568

約数和(自身を除く): 2048788

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 97, 98, 130, 140, 182, 194, 196, 245, 260, 364, 388, 455, 485, 490, 637, 679, 910, 970, 980, 1261, 1274, 1358, 1820, 1940, 2522, 2548, 2716, 3185, 3395, 4753, 5044, 6305, 6370, 6790, 8827, 9506, 12610, 12740, 13580, 17654, 19012, 23765, 25220, 35308, 44135, 47530, 61789, 88270, 95060, 123578, 176540, 247156, 308945, 617890, 1235780]

約数ペア:

[(1, 1235780), (2, 617890), (4, 308945), (5, 247156), (7, 176540), (10, 123578), (13, 95060), (14, 88270), (20, 61789), (26, 47530), (28, 44135), (35, 35308), (49, 25220), (52, 23765), (65, 19012), (70, 17654), (91, 13580), (97, 12740), (98, 12610), (130, 9506), (140, 8827), (182, 6790), (194, 6370), (196, 6305), (245, 5044), (260, 4753), (364, 3395), (388, 3185), (455, 2716), (485, 2548), (490, 2522), (637, 1940), (679, 1820), (910, 1358), (970, 1274), (980, 1261)]