209720550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{8273}}^1$

素因数の和:8314

約数の個数: 72

約数和(自身を含む): 563260824

約数和(自身を除く): 353540274

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 169, 195, 325, 338, 390, 507, 650, 845, 975, 1014, 1690, 1950, 2535, 4225, 5070, 8273, 8450, 12675, 16546, 24819, 25350, 41365, 49638, 82730, 107549, 124095, 206825, 215098, 248190, 322647, 413650, 537745, 620475, 645294, 1075490, 1240950, 1398137, 1613235, 2688725, 2796274, 3226470, 4194411, 5377450, 6990685, 8066175, 8388822, 13981370, 16132350, 20972055, 34953425, 41944110, 69906850, 104860275, 209720550]

約数ペア:

[(1, 209720550), (2, 104860275), (3, 69906850), (5, 41944110), (6, 34953425), (10, 20972055), (13, 16132350), (15, 13981370), (25, 8388822), (26, 8066175), (30, 6990685), (39, 5377450), (50, 4194411), (65, 3226470), (75, 2796274), (78, 2688725), (130, 1613235), (150, 1398137), (169, 1240950), (195, 1075490), (325, 645294), (338, 620475), (390, 537745), (507, 413650), (650, 322647), (845, 248190), (975, 215098), (1014, 206825), (1690, 124095), (1950, 107549), (2535, 82730), (4225, 49638), (5070, 41365), (8273, 25350), (8450, 24819), (12675, 16546)]