7648907900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{15307}}^1$

素因数の和:15603

約数の個数: 72

約数和(自身を含む): 17539294080

約数和(自身を除く): 9890386180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 263, 380, 475, 526, 950, 1052, 1315, 1900, 2630, 4997, 5260, 6575, 9994, 13150, 15307, 19988, 24985, 26300, 30614, 49970, 61228, 76535, 99940, 124925, 153070, 249850, 290833, 306140, 382675, 499700, 581666, 765350, 1163332, 1454165, 1530700, 2908330, 4025741, 5816660, 7270825, 8051482, 14541650, 16102964, 20128705, 29083300, 40257410, 76489079, 80514820, 100643525, 152978158, 201287050, 305956316, 382445395, 402574100, 764890790, 1529781580, 1912226975, 3824453950, 7648907900]

約数ペア:

[(1, 7648907900), (2, 3824453950), (4, 1912226975), (5, 1529781580), (10, 764890790), (19, 402574100), (20, 382445395), (25, 305956316), (38, 201287050), (50, 152978158), (76, 100643525), (95, 80514820), (100, 76489079), (190, 40257410), (263, 29083300), (380, 20128705), (475, 16102964), (526, 14541650), (950, 8051482), (1052, 7270825), (1315, 5816660), (1900, 4025741), (2630, 2908330), (4997, 1530700), (5260, 1454165), (6575, 1163332), (9994, 765350), (13150, 581666), (15307, 499700), (19988, 382675), (24985, 306140), (26300, 290833), (30614, 249850), (49970, 153070), (61228, 124925), (76535, 99940)]