28820220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3359}}^1$

素因数の和:3395

約数の個数: 96

約数和(自身を含む): 94832640

約数和(自身を除く): 66012420

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2860, 3359, 4290, 6718, 8580, 10077, 13436, 16795, 20154, 33590, 36949, 40308, 43667, 50385, 67180, 73898, 87334, 100770, 110847, 131001, 147796, 174668, 184745, 201540, 218335, 221694, 262002, 369490, 436670, 443388, 480337, 524004, 554235, 655005, 738980, 873340, 960674, 1108470, 1310010, 1441011, 1921348, 2216940, 2401685, 2620020, 2882022, 4803370, 5764044, 7205055, 9606740, 14410110, 28820220]

約数ペア:

[(1, 28820220), (2, 14410110), (3, 9606740), (4, 7205055), (5, 5764044), (6, 4803370), (10, 2882022), (11, 2620020), (12, 2401685), (13, 2216940), (15, 1921348), (20, 1441011), (22, 1310010), (26, 1108470), (30, 960674), (33, 873340), (39, 738980), (44, 655005), (52, 554235), (55, 524004), (60, 480337), (65, 443388), (66, 436670), (78, 369490), (110, 262002), (130, 221694), (132, 218335), (143, 201540), (156, 184745), (165, 174668), (195, 147796), (220, 131001), (260, 110847), (286, 100770), (330, 87334), (390, 73898), (429, 67180), (572, 50385), (660, 43667), (715, 40308), (780, 36949), (858, 33590), (1430, 20154), (1716, 16795), (2145, 13436), (2860, 10077), (3359, 8580), (4290, 6718)]