277248190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 548720640

約数和(自身を除く): 271472450

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 103, 155, 190, 206, 310, 457, 515, 589, 914, 1030, 1178, 1957, 2285, 2945, 3193, 3914, 4570, 5890, 6386, 8683, 9785, 14167, 15965, 17366, 19570, 28334, 31930, 43415, 47071, 60667, 70835, 86830, 94142, 121334, 141670, 235355, 269173, 303335, 470710, 538346, 606670, 894349, 1345865, 1459201, 1788698, 2691730, 2918402, 4471745, 7296005, 8943490, 14592010, 27724819, 55449638, 138624095, 277248190]

約数ペア:

[(1, 277248190), (2, 138624095), (5, 55449638), (10, 27724819), (19, 14592010), (31, 8943490), (38, 7296005), (62, 4471745), (95, 2918402), (103, 2691730), (155, 1788698), (190, 1459201), (206, 1345865), (310, 894349), (457, 606670), (515, 538346), (589, 470710), (914, 303335), (1030, 269173), (1178, 235355), (1957, 141670), (2285, 121334), (2945, 94142), (3193, 86830), (3914, 70835), (4570, 60667), (5890, 47071), (6386, 43415), (8683, 31930), (9785, 28334), (14167, 19570), (15965, 17366)]