68458900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 158114880

約数和(自身を除く): 89655980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 137, 190, 263, 274, 380, 475, 526, 548, 685, 950, 1052, 1315, 1370, 1900, 2603, 2630, 2740, 3425, 4997, 5206, 5260, 6575, 6850, 9994, 10412, 13015, 13150, 13700, 19988, 24985, 26030, 26300, 36031, 49970, 52060, 65075, 72062, 99940, 124925, 130150, 144124, 180155, 249850, 260300, 360310, 499700, 684589, 720620, 900775, 1369178, 1801550, 2738356, 3422945, 3603100, 6845890, 13691780, 17114725, 34229450, 68458900]

約数ペア:

[(1, 68458900), (2, 34229450), (4, 17114725), (5, 13691780), (10, 6845890), (19, 3603100), (20, 3422945), (25, 2738356), (38, 1801550), (50, 1369178), (76, 900775), (95, 720620), (100, 684589), (137, 499700), (190, 360310), (263, 260300), (274, 249850), (380, 180155), (475, 144124), (526, 130150), (548, 124925), (685, 99940), (950, 72062), (1052, 65075), (1315, 52060), (1370, 49970), (1900, 36031), (2603, 26300), (2630, 26030), (2740, 24985), (3425, 19988), (4997, 13700), (5206, 13150), (5260, 13015), (6575, 10412), (6850, 9994)]