1941940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 5531904

約数和(自身を除く): 3589964

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 97, 110, 130, 140, 143, 154, 182, 194, 220, 260, 286, 308, 364, 385, 388, 455, 485, 572, 679, 715, 770, 910, 970, 1001, 1067, 1261, 1358, 1430, 1540, 1820, 1940, 2002, 2134, 2522, 2716, 2860, 3395, 4004, 4268, 5005, 5044, 5335, 6305, 6790, 7469, 8827, 10010, 10670, 12610, 13580, 13871, 14938, 17654, 20020, 21340, 25220, 27742, 29876, 35308, 37345, 44135, 55484, 69355, 74690, 88270, 97097, 138710, 149380, 176540, 194194, 277420, 388388, 485485, 970970, 1941940]

約数ペア:

[(1, 1941940), (2, 970970), (4, 485485), (5, 388388), (7, 277420), (10, 194194), (11, 176540), (13, 149380), (14, 138710), (20, 97097), (22, 88270), (26, 74690), (28, 69355), (35, 55484), (44, 44135), (52, 37345), (55, 35308), (65, 29876), (70, 27742), (77, 25220), (91, 21340), (97, 20020), (110, 17654), (130, 14938), (140, 13871), (143, 13580), (154, 12610), (182, 10670), (194, 10010), (220, 8827), (260, 7469), (286, 6790), (308, 6305), (364, 5335), (385, 5044), (388, 5005), (455, 4268), (485, 4004), (572, 3395), (679, 2860), (715, 2716), (770, 2522), (910, 2134), (970, 2002), (1001, 1940), (1067, 1820), (1261, 1540), (1358, 1430)]