205127555660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^2\times {\mathrm{14797}}^1$

素因数の和:15207

約数の個数: 72

約数和(自身を含む): 455857125360

約数和(自身を除く): 250729569700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1910, 3629, 3820, 7258, 14516, 14797, 18145, 29594, 36290, 36481, 59188, 72580, 72962, 73985, 145924, 147970, 182405, 281143, 295940, 364810, 562286, 693139, 729620, 1124572, 1386278, 1405715, 2772556, 2811430, 2826227, 3465695, 5622860, 5652454, 6931390, 11304908, 13862780, 14131135, 28262270, 53698313, 56524540, 107396626, 214793252, 268491565, 536983130, 539809357, 1073966260, 1079618714, 2159237428, 2699046785, 5398093570, 10256377783, 10796187140, 20512755566, 41025511132, 51281888915, 102563777830, 205127555660]

約数ペア:

[(1, 205127555660), (2, 102563777830), (4, 51281888915), (5, 41025511132), (10, 20512755566), (19, 10796187140), (20, 10256377783), (38, 5398093570), (76, 2699046785), (95, 2159237428), (190, 1079618714), (191, 1073966260), (380, 539809357), (382, 536983130), (764, 268491565), (955, 214793252), (1910, 107396626), (3629, 56524540), (3820, 53698313), (7258, 28262270), (14516, 14131135), (14797, 13862780), (18145, 11304908), (29594, 6931390), (36290, 5652454), (36481, 5622860), (59188, 3465695), (72580, 2826227), (72962, 2811430), (73985, 2772556), (145924, 1405715), (147970, 1386278), (182405, 1124572), (281143, 729620), (295940, 693139), (364810, 562286)]