204743560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{14923}}^1$

素因数の和:14955

約数の個数: 64

約数和(自身を含む): 537264000

約数和(自身を除く): 332520440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 14923, 29846, 59692, 74615, 104461, 119384, 149230, 208922, 298460, 417844, 522305, 596920, 731227, 835688, 1044610, 1462454, 2089220, 2924908, 3656135, 4178440, 5118589, 5849816, 7312270, 10237178, 14624540, 20474356, 25592945, 29249080, 40948712, 51185890, 102371780, 204743560]

約数ペア:

[(1, 204743560), (2, 102371780), (4, 51185890), (5, 40948712), (7, 29249080), (8, 25592945), (10, 20474356), (14, 14624540), (20, 10237178), (28, 7312270), (35, 5849816), (40, 5118589), (49, 4178440), (56, 3656135), (70, 2924908), (98, 2089220), (140, 1462454), (196, 1044610), (245, 835688), (280, 731227), (343, 596920), (392, 522305), (490, 417844), (686, 298460), (980, 208922), (1372, 149230), (1715, 119384), (1960, 104461), (2744, 74615), (3430, 59692), (6860, 29846), (13720, 14923)]