2142140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 6096384

約数和(自身を除く): 3954244

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 107, 110, 130, 140, 143, 154, 182, 214, 220, 260, 286, 308, 364, 385, 428, 455, 535, 572, 715, 749, 770, 910, 1001, 1070, 1177, 1391, 1430, 1498, 1540, 1820, 2002, 2140, 2354, 2782, 2860, 2996, 3745, 4004, 4708, 5005, 5564, 5885, 6955, 7490, 8239, 9737, 10010, 11770, 13910, 14980, 15301, 16478, 19474, 20020, 23540, 27820, 30602, 32956, 38948, 41195, 48685, 61204, 76505, 82390, 97370, 107107, 153010, 164780, 194740, 214214, 306020, 428428, 535535, 1071070, 2142140]

約数ペア:

[(1, 2142140), (2, 1071070), (4, 535535), (5, 428428), (7, 306020), (10, 214214), (11, 194740), (13, 164780), (14, 153010), (20, 107107), (22, 97370), (26, 82390), (28, 76505), (35, 61204), (44, 48685), (52, 41195), (55, 38948), (65, 32956), (70, 30602), (77, 27820), (91, 23540), (107, 20020), (110, 19474), (130, 16478), (140, 15301), (143, 14980), (154, 13910), (182, 11770), (214, 10010), (220, 9737), (260, 8239), (286, 7490), (308, 6955), (364, 5885), (385, 5564), (428, 5005), (455, 4708), (535, 4004), (572, 3745), (715, 2996), (749, 2860), (770, 2782), (910, 2354), (1001, 2140), (1070, 2002), (1177, 1820), (1391, 1540), (1430, 1498)]