28874370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{383}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 79626240

約数和(自身を除く): 50751870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 359, 383, 718, 766, 1077, 1149, 1795, 1915, 2154, 2298, 2513, 2681, 3590, 3830, 5026, 5362, 5385, 5745, 7539, 8043, 10770, 11490, 12565, 13405, 15078, 16086, 25130, 26810, 37695, 40215, 75390, 80430, 137497, 274994, 412491, 687485, 824982, 962479, 1374970, 1924958, 2062455, 2887437, 4124910, 4812395, 5774874, 9624790, 14437185, 28874370]

約数ペア:

[(1, 28874370), (2, 14437185), (3, 9624790), (5, 5774874), (6, 4812395), (7, 4124910), (10, 2887437), (14, 2062455), (15, 1924958), (21, 1374970), (30, 962479), (35, 824982), (42, 687485), (70, 412491), (105, 274994), (210, 137497), (359, 80430), (383, 75390), (718, 40215), (766, 37695), (1077, 26810), (1149, 25130), (1795, 16086), (1915, 15078), (2154, 13405), (2298, 12565), (2513, 11490), (2681, 10770), (3590, 8043), (3830, 7539), (5026, 5745), (5362, 5385)]