123799820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3163}}^1$

素因数の和:3294

約数の個数: 48

約数和(自身を含む): 276407040

約数和(自身を除く): 152607220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1957, 2060, 3163, 3914, 6326, 7828, 9785, 12652, 15815, 19570, 31630, 39140, 60097, 63260, 120194, 240388, 300485, 325789, 600970, 651578, 1201940, 1303156, 1628945, 3257890, 6189991, 6515780, 12379982, 24759964, 30949955, 61899910, 123799820]

約数ペア:

[(1, 123799820), (2, 61899910), (4, 30949955), (5, 24759964), (10, 12379982), (19, 6515780), (20, 6189991), (38, 3257890), (76, 1628945), (95, 1303156), (103, 1201940), (190, 651578), (206, 600970), (380, 325789), (412, 300485), (515, 240388), (1030, 120194), (1957, 63260), (2060, 60097), (3163, 39140), (3914, 31630), (6326, 19570), (7828, 15815), (9785, 12652)]