189970480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{353}}^1$

素因数の和:435

約数の個数: 120

約数和(自身を含む): 523064736

約数和(自身を除く): 333094256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 353, 434, 496, 560, 620, 706, 868, 961, 1085, 1240, 1412, 1736, 1765, 1922, 2170, 2471, 2480, 2824, 3472, 3530, 3844, 4340, 4805, 4942, 5648, 6727, 7060, 7688, 8680, 9610, 9884, 10943, 12355, 13454, 14120, 15376, 17360, 19220, 19768, 21886, 24710, 26908, 28240, 33635, 38440, 39536, 43772, 49420, 53816, 54715, 67270, 76601, 76880, 87544, 98840, 107632, 109430, 134540, 153202, 175088, 197680, 218860, 269080, 306404, 339233, 383005, 437720, 538160, 612808, 678466, 766010, 875440, 1225616, 1356932, 1532020, 1696165, 2374631, 2713864, 3064040, 3392330, 4749262, 5427728, 6128080, 6784660, 9498524, 11873155, 13569320, 18997048, 23746310, 27138640, 37994096, 47492620, 94985240, 189970480]

約数ペア:

[(1, 189970480), (2, 94985240), (4, 47492620), (5, 37994096), (7, 27138640), (8, 23746310), (10, 18997048), (14, 13569320), (16, 11873155), (20, 9498524), (28, 6784660), (31, 6128080), (35, 5427728), (40, 4749262), (56, 3392330), (62, 3064040), (70, 2713864), (80, 2374631), (112, 1696165), (124, 1532020), (140, 1356932), (155, 1225616), (217, 875440), (248, 766010), (280, 678466), (310, 612808), (353, 538160), (434, 437720), (496, 383005), (560, 339233), (620, 306404), (706, 269080), (868, 218860), (961, 197680), (1085, 175088), (1240, 153202), (1412, 134540), (1736, 109430), (1765, 107632), (1922, 98840), (2170, 87544), (2471, 76880), (2480, 76601), (2824, 67270), (3472, 54715), (3530, 53816), (3844, 49420), (4340, 43772), (4805, 39536), (4942, 38440), (5648, 33635), (6727, 28240), (7060, 26908), (7688, 24710), (8680, 21886), (9610, 19768), (9884, 19220), (10943, 17360), (12355, 15376), (13454, 14120)]