203209940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13043}}^1$

素因数の和:13112

約数の個数: 48

約数和(自身を含む): 460192320

約数和(自身を除く): 256982380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 13043, 15580, 26086, 52172, 65215, 130430, 247817, 260860, 495634, 534763, 991268, 1069526, 1239085, 2139052, 2478170, 2673815, 4956340, 5347630, 10160497, 10695260, 20320994, 40641988, 50802485, 101604970, 203209940]

約数ペア:

[(1, 203209940), (2, 101604970), (4, 50802485), (5, 40641988), (10, 20320994), (19, 10695260), (20, 10160497), (38, 5347630), (41, 4956340), (76, 2673815), (82, 2478170), (95, 2139052), (164, 1239085), (190, 1069526), (205, 991268), (380, 534763), (410, 495634), (779, 260860), (820, 247817), (1558, 130430), (3116, 65215), (3895, 52172), (7790, 26086), (13043, 15580)]