277417450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2011}}^1$

素因数の和:2143

約数の個数: 48

約数和(自身を含む): 538894080

約数和(自身を除く): 261476630

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 89, 155, 178, 310, 445, 775, 890, 1550, 2011, 2225, 2759, 4022, 4450, 5518, 10055, 13795, 20110, 27590, 50275, 62341, 68975, 100550, 124682, 137950, 178979, 311705, 357958, 623410, 894895, 1558525, 1789790, 3117050, 4474475, 5548349, 8948950, 11096698, 27741745, 55483490, 138708725, 277417450]

約数ペア:

[(1, 277417450), (2, 138708725), (5, 55483490), (10, 27741745), (25, 11096698), (31, 8948950), (50, 5548349), (62, 4474475), (89, 3117050), (155, 1789790), (178, 1558525), (310, 894895), (445, 623410), (775, 357958), (890, 311705), (1550, 178979), (2011, 137950), (2225, 124682), (2759, 100550), (4022, 68975), (4450, 62341), (5518, 50275), (10055, 27590), (13795, 20110)]