219080980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{743}}^1$

素因数の和:1416

約数の個数: 48

約数和(自身を含む): 481469184

約数和(自身を除く): 262388204

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 641, 743, 1282, 1486, 2564, 2972, 3205, 3715, 6410, 7430, 12820, 14743, 14860, 17089, 29486, 34178, 58972, 68356, 73715, 85445, 147430, 170890, 294860, 341780, 476263, 952526, 1905052, 2381315, 4762630, 9525260, 10954049, 21908098, 43816196, 54770245, 109540490, 219080980]

約数ペア:

[(1, 219080980), (2, 109540490), (4, 54770245), (5, 43816196), (10, 21908098), (20, 10954049), (23, 9525260), (46, 4762630), (92, 2381315), (115, 1905052), (230, 952526), (460, 476263), (641, 341780), (743, 294860), (1282, 170890), (1486, 147430), (2564, 85445), (2972, 73715), (3205, 68356), (3715, 58972), (6410, 34178), (7430, 29486), (12820, 17089), (14743, 14860)]