223215980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{2207}}^1$

素因数の和:2618

約数の個数: 48

約数和(自身を含む): 506338560

約数和(自身を除く): 283122580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 778, 1556, 1945, 2207, 3890, 4414, 5057, 7780, 8828, 10114, 11035, 20228, 22070, 25285, 28691, 44140, 50570, 57382, 101140, 114764, 143455, 286910, 573820, 858523, 1717046, 3434092, 4292615, 8585230, 11160799, 17170460, 22321598, 44643196, 55803995, 111607990, 223215980]

約数ペア:

[(1, 223215980), (2, 111607990), (4, 55803995), (5, 44643196), (10, 22321598), (13, 17170460), (20, 11160799), (26, 8585230), (52, 4292615), (65, 3434092), (130, 1717046), (260, 858523), (389, 573820), (778, 286910), (1556, 143455), (1945, 114764), (2207, 101140), (3890, 57382), (4414, 50570), (5057, 44140), (7780, 28691), (8828, 25285), (10114, 22070), (11035, 20228)]